431742924 has 36 divisors (see below), whose sum is σ = 1092120120. Its totient is φ = 143812800.

The previous prime is 431742907. The next prime is 431742991. The reversal of 431742924 is 429247134.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61507 + ... + 68165.

It is an arithmetic number, because the mean of its divisors is an integer number (30336670).

Almost surely, 2^431742924 is an apocalyptic number.

It is an amenable number.

431742924 is an abundant number, since it is smaller than the sum of its proper divisors (660377196).

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

431742924 is a wasteful number, since it uses less digits than its factorization.

431742924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470 (or 8465 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 431742924 is about 20778.4244831027. The cubic root of 431742924 is about 755.8026485789.

The spelling of 431742924 in words is "four hundred thirty-one million, seven hundred forty-two thousand, nine hundred twenty-four".