36987291 has 24 divisors (see below), whose sum is σ = 61714224. Its totient is φ = 21096960.

The previous prime is 36987271. The next prime is 36987329. The reversal of 36987291 is 19278963.

It is not a de Polignac number, because 36987291 - 2⁵ = 36987259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36987211) 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, 9306 + ... + 12671.

It is an arithmetic number, because the mean of its divisors is an integer number (2571426).

Almost surely, 2^36987291 is an apocalyptic number.

36987291 is a deficient number, since it is larger than the sum of its proper divisors (24726933).

36987291 is a wasteful number, since it uses less digits than its factorization.

36987291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22011 (or 22008 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 36987291 is about 6081.7177672102. The cubic root of 36987291 is about 333.1840283563.

It can be divided in two parts, 369872 and 91, that added together give a palindrome (369963).

The spelling of 36987291 in words is "thirty-six million, nine hundred eighty-seven thousand, two hundred ninety-one".