36389506 has 4 divisors (see below), whose sum is σ = 54584262. Its totient is φ = 18194752.

The previous prime is 36389501. The next prime is 36389527. The reversal of 36389506 is 60598363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31259281 + 5130225 = 5591^2 + 2265^2 .

It is a super-2 number, since 2×36389506² = 2648392293848072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (36389501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9097375 + ... + 9097378.

Almost surely, 2^36389506 is an apocalyptic number.

36389506 is a deficient number, since it is larger than the sum of its proper divisors (18194756).

36389506 is a wasteful number, since it uses less digits than its factorization.

36389506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18194755.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 36389506 is about 6032.3715071272. The cubic root of 36389506 is about 331.3793079594.

The spelling of 36389506 in words is "thirty-six million, three hundred eighty-nine thousand, five hundred six".