36398664 has 24 divisors (see below), whose sum is σ = 98579910. Its totient is φ = 12132864.

The previous prime is 36398657. The next prime is 36398671. The reversal of 36398664 is 46689363.

36398664 is a `hidden beast` number, since 3 + 639 + 8 + 6 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (36398657) and next prime (36398671).

It can be written as a sum of positive squares in only one way, i.e., 18404100 + 17994564 = 4290^2 + 4242^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

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 in 5 ways as a sum of consecutive naturals, for example, 252697 + ... + 252840.

Almost surely, 2^36398664 is an apocalyptic number.

It is an amenable number.

36398664 is an abundant number, since it is smaller than the sum of its proper divisors (62181246).

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

36398664 is a wasteful number, since it uses less digits than its factorization.

36398664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505549 (or 505542 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 36398664 is about 6033.1305306615. The cubic root of 36398664 is about 331.4071045917.

The spelling of 36398664 in words is "thirty-six million, three hundred ninety-eight thousand, six hundred sixty-four".