31797004 has 24 divisors (see below), whose sum is σ = 60177600. Its totient is φ = 14643456.

The previous prime is 31797001. The next prime is 31797011. The reversal of 31797004 is 40079713.

It is a super-2 number, since 2×31797004² = 2022098926752032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31797001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1779 + ... + 8170.

It is an arithmetic number, because the mean of its divisors is an integer number (2507400).

Almost surely, 2^31797004 is an apocalyptic number.

31797004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31797004 is a deficient number, since it is larger than the sum of its proper divisors (28380596).

31797004 is a wasteful number, since it uses less digits than its factorization.

31797004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017 (or 10015 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 31797004 is about 5638.8832227667. The cubic root of 31797004 is about 316.8074606914.

The spelling of 31797004 in words is "thirty-one million, seven hundred ninety-seven thousand, four".