36643252 has 12 divisors (see below), whose sum is σ = 64209376. Its totient is φ = 18297720.

The previous prime is 36643237. The next prime is 36643273. The reversal of 36643252 is 25234663.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2274 + ... + 8857.

Almost surely, 2^36643252 is an apocalyptic number.

It is an amenable number.

36643252 is a deficient number, since it is larger than the sum of its proper divisors (27566124).

36643252 is a wasteful number, since it uses less digits than its factorization.

36643252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11958 (or 11956 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 36643252 is about 6053.3669969695. The cubic root of 36643252 is about 332.1477665154.

The spelling of 36643252 in words is "thirty-six million, six hundred forty-three thousand, two hundred fifty-two".