31426896 has 20 divisors (see below), whose sum is σ = 81186272. Its totient is φ = 10475616.

The previous prime is 31426883. The next prime is 31426903. The reversal of 31426896 is 69862413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327316 + ... + 327411.

Almost surely, 2^31426896 is an apocalyptic number.

It is an amenable number.

31426896 is an abundant number, since it is smaller than the sum of its proper divisors (49759376).

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

31426896 is a wasteful number, since it uses less digits than its factorization.

31426896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654738 (or 654732 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 31426896 is about 5605.9696752658. The cubic root of 31426896 is about 315.5734778627.

The spelling of 31426896 in words is "thirty-one million, four hundred twenty-six thousand, eight hundred ninety-six".