38716668 has 18 divisors (see below), whose sum is σ = 97867224. Its totient is φ = 12905544.

The previous prime is 38716651. The next prime is 38716679. The reversal of 38716668 is 86661783.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537696 + ... + 537767.

It is an arithmetic number, because the mean of its divisors is an integer number (5437068).

Almost surely, 2^38716668 is an apocalyptic number.

It is an amenable number.

38716668 is an abundant number, since it is smaller than the sum of its proper divisors (59150556).

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

38716668 is a wasteful number, since it uses less digits than its factorization.

38716668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075473 (or 1075468 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 38716668 is about 6222.2719323411. The cubic root of 38716668 is about 338.2979178365.

The spelling of 38716668 in words is "thirty-eight million, seven hundred sixteen thousand, six hundred sixty-eight".