38686160 has 20 divisors (see below), whose sum is σ = 89945508. Its totient is φ = 15474432.

The previous prime is 38686157. The next prime is 38686163. The reversal of 38686160 is 6168683.

It is an interprime number because it is at equal distance from previous prime (38686157) and next prime (38686163).

It can be written as a sum of positive squares in 2 ways, for example, as 19571776 + 19114384 = 4424^2 + 4372^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38686163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241709 + ... + 241868.

Almost surely, 2^38686160 is an apocalyptic number.

It is an amenable number.

38686160 is an abundant number, since it is smaller than the sum of its proper divisors (51259348).

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

38686160 is a wasteful number, since it uses less digits than its factorization.

38686160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483590 (or 483584 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 38686160 is about 6219.8199330849. The cubic root of 38686160 is about 338.2090370395.

The spelling of 38686160 in words is "thirty-eight million, six hundred eighty-six thousand, one hundred sixty".