37986868 has 12 divisors (see below), whose sum is σ = 68769540. Its totient is φ = 18338432.

The previous prime is 37986863. The next prime is 37986877. The reversal of 37986868 is 86868973.

It can be written as a sum of positive squares in 2 ways, for example, as 31945104 + 6041764 = 5652^2 + 2458^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37986863) 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, 163621 + ... + 163852.

It is an arithmetic number, because the mean of its divisors is an integer number (5730795).

Almost surely, 2^37986868 is an apocalyptic number.

It is an amenable number.

37986868 is a deficient number, since it is larger than the sum of its proper divisors (30782672).

37986868 is a wasteful number, since it uses less digits than its factorization.

37986868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327506 (or 327504 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 37986868 is about 6163.3487650789. The cubic root of 37986868 is about 336.1588086205.

The spelling of 37986868 in words is "thirty-seven million, nine hundred eighty-six thousand, eight hundred sixty-eight".