36393858 has 24 divisors (see below), whose sum is σ = 79936428. Its totient is φ = 11964672.

The previous prime is 36393857. The next prime is 36393859. The reversal of 36393858 is 85839363.

36393858 is a `hidden beast` number, since 3 + 639 + 3 + 8 + 5 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (36393857) and next prime (36393859).

It can be written as a sum of positive squares in 2 ways, for example, as 33143049 + 3250809 = 5757^2 + 1803^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36393853) 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 11 ways as a sum of consecutive naturals, for example, 12535 + ... + 15162.

Almost surely, 2^36393858 is an apocalyptic number.

36393858 is an abundant number, since it is smaller than the sum of its proper divisors (43542570).

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

36393858 is a wasteful number, since it uses less digits than its factorization.

36393858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27778 (or 27775 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 36393858 is about 6032.7322168318. The cubic root of 36393858 is about 331.3925178599.

The spelling of 36393858 in words is "thirty-six million, three hundred ninety-three thousand, eight hundred fifty-eight".