190103424 has 128 divisors (see below), whose sum is σ = 581644800. Its totient is φ = 53889024.

The previous prime is 190103399. The next prime is 190103471. The reversal of 190103424 is 424301091.

190103424 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×190103424² = 72278623633047552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 190103394 and 190103403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529357 + ... + 529715.

It is an arithmetic number, because the mean of its divisors is an integer number (4544100).

Almost surely, 2^190103424 is an apocalyptic number.

190103424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190103424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290822400).

190103424 is an abundant number, since it is smaller than the sum of its proper divisors (391541376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190103424 is a wasteful number, since it uses less digits than its factorization.

190103424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 190103424 is about 13787.7998244825. The cubic root of 190103424 is about 574.9940001894.

The spelling of 190103424 in words is "one hundred ninety million, one hundred three thousand, four hundred twenty-four".