38691572 has 12 divisors (see below), whose sum is σ = 69285216. Its totient is φ = 18895800.

The previous prime is 38691571. The next prime is 38691599. The reversal of 38691572 is 27519683.

38691572 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 not an unprimeable number, because it can be changed into a prime (38691571) 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 3 ways as a sum of consecutive naturals, for example, 112304 + ... + 112647.

It is an arithmetic number, because the mean of its divisors is an integer number (5773768).

Almost surely, 2^38691572 is an apocalyptic number.

It is an amenable number.

38691572 is a deficient number, since it is larger than the sum of its proper divisors (30593644).

38691572 is a wasteful number, since it uses less digits than its factorization.

38691572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224998 (or 224996 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 38691572 is about 6220.2549786966. The cubic root of 38691572 is about 338.2248075542.

The spelling of 38691572 in words is "thirty-eight million, six hundred ninety-one thousand, five hundred seventy-two".