36987969 has 4 divisors (see below), whose sum is σ = 49317296. Its totient is φ = 24658644.

The previous prime is 36987967. The next prime is 36987983. The reversal of 36987969 is 96978963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 36987969 - 2¹ = 36987967 is a prime.

It is a super-2 number, since 2×36987969² = 2736219701489922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36987961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6164659 + ... + 6164664.

It is an arithmetic number, because the mean of its divisors is an integer number (12329324).

Almost surely, 2^36987969 is an apocalyptic number.

It is an amenable number.

36987969 is a deficient number, since it is larger than the sum of its proper divisors (12329327).

36987969 is a wasteful number, since it uses less digits than its factorization.

36987969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329326.

The product of its digits is 4408992, while the sum is 57.

The square root of 36987969 is about 6081.7735077854. The cubic root of 36987969 is about 333.1860641672.

The spelling of 36987969 in words is "thirty-six million, nine hundred eighty-seven thousand, nine hundred sixty-nine".