36389172 has 12 divisors (see below), whose sum is σ = 84908096. Its totient is φ = 12129720.

The previous prime is 36389159. The next prime is 36389173. The reversal of 36389172 is 27198363.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 36389172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36389173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516204 + ... + 1516227.

Almost surely, 2^36389172 is an apocalyptic number.

It is an amenable number.

36389172 is an abundant number, since it is smaller than the sum of its proper divisors (48518924).

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

36389172 is a wasteful number, since it uses less digits than its factorization.

36389172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032438 (or 3032436 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 36389172 is about 6032.3438230923. The cubic root of 36389172 is about 331.3782941046.

The spelling of 36389172 in words is "thirty-six million, three hundred eighty-nine thousand, one hundred seventy-two".