36999387 has 24 divisors (see below), whose sum is σ = 56968704. Its totient is φ = 23085744.

The previous prime is 36999383. The next prime is 36999401. The reversal of 36999387 is 78399963.

It is not a de Polignac number, because 36999387 - 2² = 36999383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36999383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7828 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (2373696).

Almost surely, 2^36999387 is an apocalyptic number.

36999387 is a deficient number, since it is larger than the sum of its proper divisors (19969317).

36999387 is a wasteful number, since it uses less digits than its factorization.

36999387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879 (or 3876 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 36999387 is about 6082.7121417999. The cubic root of 36999387 is about 333.2203449274.

The spelling of 36999387 in words is "thirty-six million, nine hundred ninety-nine thousand, three hundred eighty-seven".