37966986 has 12 divisors (see below), whose sum is σ = 82261842. Its totient is φ = 12655656.

The previous prime is 37966969. The next prime is 37967029. The reversal of 37966986 is 68966973.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36832761 + 1134225 = 6069^2 + 1065^2 .

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, 1054621 + ... + 1054656.

Almost surely, 2^37966986 is an apocalyptic number.

37966986 is an abundant number, since it is smaller than the sum of its proper divisors (44294856).

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

37966986 is a wasteful number, since it uses less digits than its factorization.

37966986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109285 (or 2109282 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 37966986 is about 6161.7356321089. The cubic root of 37966986 is about 336.1001508426.

The spelling of 37966986 in words is "thirty-seven million, nine hundred sixty-six thousand, nine hundred eighty-six".