431696406 has 16 divisors (see below), whose sum is σ = 866835648. Its totient is φ = 143325000.

The previous prime is 431696371. The next prime is 431696411. The reversal of 431696406 is 604696134.

It is a congruent number.

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, 141820 + ... + 144831.

It is an arithmetic number, because the mean of its divisors is an integer number (54177228).

Almost surely, 2^431696406 is an apocalyptic number.

431696406 is an abundant number, since it is smaller than the sum of its proper divisors (435139242).

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

431696406 is a wasteful number, since it uses less digits than its factorization.

431696406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286907.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 431696406 is about 20777.3050706775. The cubic root of 431696406 is about 755.7755030343.

The spelling of 431696406 in words is "four hundred thirty-one million, six hundred ninety-six thousand, four hundred six".