431473928 has 16 divisors (see below), whose sum is σ = 844188480. Its totient is φ = 206357008.

The previous prime is 431473927. The next prime is 431473961. The reversal of 431473928 is 829374134.

It is not an unprimeable number, because it can be changed into a prime (431473921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172300 + ... + 1172667.

It is an arithmetic number, because the mean of its divisors is an integer number (52761780).

Almost surely, 2^431473928 is an apocalyptic number.

It is an amenable number.

431473928 is a deficient number, since it is larger than the sum of its proper divisors (412714552).

431473928 is a wasteful number, since it uses less digits than its factorization.

431473928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344996 (or 2344992 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 431473928 is about 20771.9505102434. The cubic root of 431473928 is about 755.6456491887.

The spelling of 431473928 in words is "four hundred thirty-one million, four hundred seventy-three thousand, nine hundred twenty-eight".