190503430 has 32 divisors (see below), whose sum is σ = 370137600. Its totient is φ = 70177152.

The previous prime is 190503323. The next prime is 190503449. The reversal of 190503430 is 34305091.

190503430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 190503395 and 190503404.

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, 64731 + ... + 67609.

It is an arithmetic number, because the mean of its divisors is an integer number (11566800).

Almost surely, 2^190503430 is an apocalyptic number.

190503430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190503430 is a deficient number, since it is larger than the sum of its proper divisors (179634170).

190503430 is a wasteful number, since it uses less digits than its factorization.

190503430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 190503430 is about 13802.2979970728. The cubic root of 190503430 is about 575.3970087460.

The spelling of 190503430 in words is "one hundred ninety million, five hundred three thousand, four hundred thirty".