38713689 has 12 divisors (see below), whose sum is σ = 63908416. Its totient is φ = 22122072.

The previous prime is 38713679. The next prime is 38713721. The reversal of 38713689 is 98631783.

It is a happy number.

It is not a de Polignac number, because 38713689 - 2⁵ = 38713657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38713679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307189 + ... + 307314.

Almost surely, 2^38713689 is an apocalyptic number.

It is an amenable number.

38713689 is a deficient number, since it is larger than the sum of its proper divisors (25194727).

38713689 is a wasteful number, since it uses less digits than its factorization.

38713689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614516 (or 614513 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 38713689 is about 6222.0325457201. The cubic root of 38713689 is about 338.2892409936.

The spelling of 38713689 in words is "thirty-eight million, seven hundred thirteen thousand, six hundred eighty-nine".