38513964 has 24 divisors (see below), whose sum is σ = 89994240. Its totient is φ = 12819664.

The previous prime is 38513953. The next prime is 38513989. The reversal of 38513964 is 46931583.

38513964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 8497 + ... + 12215.

It is an arithmetic number, because the mean of its divisors is an integer number (3749760).

Almost surely, 2^38513964 is an apocalyptic number.

It is an amenable number.

38513964 is an abundant number, since it is smaller than the sum of its proper divisors (51480276).

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

38513964 is a wasteful number, since it uses less digits than its factorization.

38513964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589 (or 4587 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 38513964 is about 6205.9619721684. The cubic root of 38513964 is about 337.7064898258.

The spelling of 38513964 in words is "thirty-eight million, five hundred thirteen thousand, nine hundred sixty-four".