36981315 has 96 divisors (see below), whose sum is σ = 79672320. Its totient is φ = 15489792.

The previous prime is 36981299. The next prime is 36981379. The reversal of 36981315 is 51318963.

It is a happy number.

It is not a de Polignac number, because 36981315 - 2⁴ = 36981299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36981315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 221362 + ... + 221528.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^36981315 is an apocalyptic number.

36981315 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

36981315 is an abundant number, since it is smaller than the sum of its proper divisors (42691005).

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

36981315 is a wasteful number, since it uses less digits than its factorization.

36981315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 238 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 36981315 is about 6081.2264388033. The cubic root of 36981315 is about 333.1660833186.

The spelling of 36981315 in words is "thirty-six million, nine hundred eighty-one thousand, three hundred fifteen".