36640936 has 8 divisors (see below), whose sum is σ = 68701770. Its totient is φ = 18320464.

The previous prime is 36640883. The next prime is 36640957. The reversal of 36640936 is 63904663.

It can be written as a sum of positive squares in only one way, i.e., 28196100 + 8444836 = 5310^2 + 2906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 36640895 and 36640904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290051 + ... + 2290066.

Almost surely, 2^36640936 is an apocalyptic number.

It is an amenable number.

36640936 is a deficient number, since it is larger than the sum of its proper divisors (32060834).

36640936 is a wasteful number, since it uses less digits than its factorization.

36640936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580123 (or 4580119 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 36640936 is about 6053.1756954511. The cubic root of 36640936 is about 332.1407686791.

The spelling of 36640936 in words is "thirty-six million, six hundred forty thousand, nine hundred thirty-six".