38557668 has 12 divisors (see below), whose sum is σ = 89967920. Its totient is φ = 12852552.

The previous prime is 38557639. The next prime is 38557679. The reversal of 38557668 is 86675583.

38557668 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 super-3 number, since 3×38557668³ (a number of 24 digits) contains 333 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 3 ways as a sum of consecutive naturals, for example, 1606558 + ... + 1606581.

Almost surely, 2^38557668 is an apocalyptic number.

It is an amenable number.

38557668 is an abundant number, since it is smaller than the sum of its proper divisors (51410252).

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

38557668 is a wasteful number, since it uses less digits than its factorization.

38557668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213146 (or 3213144 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 38557668 is about 6209.4821040084. The cubic root of 38557668 is about 337.8341798352.

The spelling of 38557668 in words is "thirty-eight million, five hundred fifty-seven thousand, six hundred sixty-eight".