36819994 has 16 divisors (see below), whose sum is σ = 58746600. Its totient is φ = 17247744.

The previous prime is 36819989. The next prime is 36820019. The reversal of 36819994 is 49991863.

It can be written as a sum of positive squares in 4 ways, for example, as 33489369 + 3330625 = 5787^2 + 1825^2 .

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, 5422 + ... + 10150.

Almost surely, 2^36819994 is an apocalyptic number.

36819994 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

36819994 is a deficient number, since it is larger than the sum of its proper divisors (21926606).

36819994 is a wasteful number, since it uses less digits than its factorization.

36819994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977.

The product of its digits is 419904, while the sum is 49.

The square root of 36819994 is about 6067.9480881102. The cubic root of 36819994 is about 332.6809281577.

The spelling of 36819994 in words is "thirty-six million, eight hundred nineteen thousand, nine hundred ninety-four".