36997644 has 24 divisors (see below), whose sum is σ = 91406448. Its totient is φ = 11607040.

The previous prime is 36997619. The next prime is 36997679. The reversal of 36997644 is 44679963.

It is a junction number, because it is equal to n+sod(n) for n = 36997593 and 36997602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90477 + ... + 90884.

It is an arithmetic number, because the mean of its divisors is an integer number (3808602).

Almost surely, 2^36997644 is an apocalyptic number.

36997644 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

36997644 is an abundant number, since it is smaller than the sum of its proper divisors (54408804).

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

36997644 is a wasteful number, since it uses less digits than its factorization.

36997644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181385 (or 181383 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 36997644 is about 6082.5688652082. The cubic root of 36997644 is about 333.2151122985.

The spelling of 36997644 in words is "thirty-six million, nine hundred ninety-seven thousand, six hundred forty-four".