36913986 has 12 divisors (see below), whose sum is σ = 79980342. Its totient is φ = 12304656.

The previous prime is 36913973. The next prime is 36914039. The reversal of 36913986 is 68931963.

It can be written as a sum of positive squares in only one way, i.e., 36832761 + 81225 = 6069^2 + 285^2 .

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, 1025371 + ... + 1025406.

Almost surely, 2^36913986 is an apocalyptic number.

36913986 is an abundant number, since it is smaller than the sum of its proper divisors (43066356).

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

36913986 is a wasteful number, since it uses less digits than its factorization.

36913986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050785 (or 2050782 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 36913986 is about 6075.6881091774. The cubic root of 36913986 is about 332.9637706439.

The spelling of 36913986 in words is "thirty-six million, nine hundred thirteen thousand, nine hundred eighty-six".