38631732 has 12 divisors (see below), whose sum is σ = 90140736. Its totient is φ = 12877240.

The previous prime is 38631709. The next prime is 38631763. The reversal of 38631732 is 23713683.

38631732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 38631693 and 38631702.

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, 1609644 + ... + 1609667.

It is an arithmetic number, because the mean of its divisors is an integer number (7511728).

Almost surely, 2^38631732 is an apocalyptic number.

It is an amenable number.

38631732 is an abundant number, since it is smaller than the sum of its proper divisors (51509004).

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

38631732 is a wasteful number, since it uses less digits than its factorization.

38631732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219318 (or 3219316 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 38631732 is about 6215.4430252396. The cubic root of 38631732 is about 338.0503525466.

The spelling of 38631732 in words is "thirty-eight million, six hundred thirty-one thousand, seven hundred thirty-two".