31796838 has 24 divisors (see below), whose sum is σ = 70756608. Its totient is φ = 10312272.

The previous prime is 31796827. The next prime is 31796839. The reversal of 31796838 is 83869713.

It is a happy number.

It is a super-2 number, since 2×31796838² = 2022077813596488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31796793 and 31796802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31796839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23206 + ... + 24537.

It is an arithmetic number, because the mean of its divisors is an integer number (2948192).

Almost surely, 2^31796838 is an apocalyptic number.

31796838 is an abundant number, since it is smaller than the sum of its proper divisors (38959770).

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

31796838 is a wasteful number, since it uses less digits than its factorization.

31796838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47788 (or 47785 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 31796838 is about 5638.8685035209. The cubic root of 31796838 is about 316.8069093802.

The spelling of 31796838 in words is "thirty-one million, seven hundred ninety-six thousand, eight hundred thirty-eight".