38657292 has 12 divisors (see below), whose sum is σ = 90200376. Its totient is φ = 12885760.

The previous prime is 38657249. The next prime is 38657293. The reversal of 38657292 is 29275683.

38657292 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 not an unprimeable number, because it can be changed into a prime (38657293) 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, 1610709 + ... + 1610732.

It is an arithmetic number, because the mean of its divisors is an integer number (7516698).

Almost surely, 2^38657292 is an apocalyptic number.

It is an amenable number.

38657292 is an abundant number, since it is smaller than the sum of its proper divisors (51543084).

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

38657292 is a wasteful number, since it uses less digits than its factorization.

38657292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221448 (or 3221446 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 38657292 is about 6217.4988540409. The cubic root of 38657292 is about 338.1248911158.

The spelling of 38657292 in words is "thirty-eight million, six hundred fifty-seven thousand, two hundred ninety-two".