36391624 has 16 divisors (see below), whose sum is σ = 69353820. Its totient is φ = 17897280.

The previous prime is 36391601. The next prime is 36391627. The reversal of 36391624 is 42619363.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35022724 + 1368900 = 5918^2 + 1170^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36391624.

It is not an unprimeable number, because it can be changed into a prime (36391627) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 36799 + ... + 37774.

Almost surely, 2^36391624 is an apocalyptic number.

It is an amenable number.

36391624 is a deficient number, since it is larger than the sum of its proper divisors (32962196).

36391624 is a wasteful number, since it uses less digits than its factorization.

36391624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74640 (or 74636 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 36391624 is about 6032.5470574211. The cubic root of 36391624 is about 331.3857369901.

The spelling of 36391624 in words is "thirty-six million, three hundred ninety-one thousand, six hundred twenty-four".