190431204 has 24 divisors (see below), whose sum is σ = 444776640. Its totient is φ = 63414624.

The previous prime is 190431181. The next prime is 190431221. The reversal of 190431204 is 402134091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5857 + ... + 20375.

It is an arithmetic number, because the mean of its divisors is an integer number (18532360).

Almost surely, 2^190431204 is an apocalyptic number.

It is an amenable number.

190431204 is an abundant number, since it is smaller than the sum of its proper divisors (254345436).

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

190431204 is a wasteful number, since it uses less digits than its factorization.

190431204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15619 (or 15617 counting only the distinct ones).

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

The square root of 190431204 is about 13799.6813006678. The cubic root of 190431204 is about 575.3242823607.

Adding to 190431204 its reverse (402134091), we get a palindrome (592565295).

The spelling of 190431204 in words is "one hundred ninety million, four hundred thirty-one thousand, two hundred four".