431464884 has 12 divisors (see below), whose sum is σ = 1006751424. Its totient is φ = 143821624.

The previous prime is 431464883. The next prime is 431464897. The reversal of 431464884 is 488464134.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×431464884² = 372323892250266912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431464883) 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, 17977692 + ... + 17977715.

It is an arithmetic number, because the mean of its divisors is an integer number (83895952).

Almost surely, 2^431464884 is an apocalyptic number.

It is an amenable number.

431464884 is an abundant number, since it is smaller than the sum of its proper divisors (575286540).

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

431464884 is a wasteful number, since it uses less digits than its factorization.

431464884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35955414 (or 35955412 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 431464884 is about 20771.7328116842. The cubic root of 431464884 is about 755.6403695287.

The spelling of 431464884 in words is "four hundred thirty-one million, four hundred sixty-four thousand, eight hundred eighty-four".