36381966 has 16 divisors (see below), whose sum is σ = 72921600. Its totient is φ = 12101048.

The previous prime is 36381907. The next prime is 36381991. The reversal of 36381966 is 66918363.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3456 + ... + 9203.

It is an arithmetic number, because the mean of its divisors is an integer number (4557600).

Almost surely, 2^36381966 is an apocalyptic number.

36381966 is an abundant number, since it is smaller than the sum of its proper divisors (36539634).

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

36381966 is a wasteful number, since it uses less digits than its factorization.

36381966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13143.

The product of its digits is 139968, while the sum is 42.

The square root of 36381966 is about 6031.7465132414. The cubic root of 36381966 is about 331.3564188278.

The spelling of 36381966 in words is "thirty-six million, three hundred eighty-one thousand, nine hundred sixty-six".