431402934 has 32 divisors (see below), whose sum is σ = 887687424. Its totient is φ = 139707360.

The previous prime is 431402903. The next prime is 431402947. The reversal of 431402934 is 439204134.

It is a super-2 number, since 2×431402934² = 372216982927616712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26169 + ... + 39339.

It is an arithmetic number, because the mean of its divisors is an integer number (27740232).

Almost surely, 2^431402934 is an apocalyptic number.

431402934 is an abundant number, since it is smaller than the sum of its proper divisors (456284490).

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

431402934 is a wasteful number, since it uses less digits than its factorization.

431402934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13332.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 431402934 is about 20770.2415489084. The cubic root of 431402934 is about 755.6042026908.

The spelling of 431402934 in words is "four hundred thirty-one million, four hundred two thousand, nine hundred thirty-four".