190403328 has 144 divisors (see below), whose sum is σ = 535691520. Its totient is φ = 59953152.

The previous prime is 190403309. The next prime is 190403341. The reversal of 190403328 is 823304091.

It is a junction number, because it is equal to n+sod(n) for n = 190403295 and 190403304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848525 + ... + 1848627.

It is an arithmetic number, because the mean of its divisors is an integer number (3720080).

Almost surely, 2^190403328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190403328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267845760).

190403328 is an abundant number, since it is smaller than the sum of its proper divisors (345288192).

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

190403328 is a wasteful number, since it uses less digits than its factorization.

190403328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 190403328 is about 13798.6712403767. The cubic root of 190403328 is about 575.2962083162.

The spelling of 190403328 in words is "one hundred ninety million, four hundred three thousand, three hundred twenty-eight".