32313690 has 24 divisors (see below), whose sum is σ = 84015828. Its totient is φ = 8616960.

The previous prime is 32313667. The next prime is 32313703. The reversal of 32313690 is 9631323.

It can be written as a sum of positive squares in 2 ways, for example, as 29062881 + 3250809 = 5391^2 + 1803^2 .

It is a super-2 number, since 2×32313690² = 2088349122832200, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 179431 + ... + 179610.

Almost surely, 2^32313690 is an apocalyptic number.

32313690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32313690 is an abundant number, since it is smaller than the sum of its proper divisors (51702138).

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

32313690 is a wasteful number, since it uses less digits than its factorization.

32313690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359054 (or 359051 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 32313690 is about 5684.5131717677. The cubic root of 32313690 is about 318.5142385817.

The spelling of 32313690 in words is "thirty-two million, three hundred thirteen thousand, six hundred ninety".