36897969 has 4 divisors (see below), whose sum is σ = 49197296. Its totient is φ = 24598644.

The previous prime is 36897941. The next prime is 36897989. The reversal of 36897969 is 96979863.

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 36897969 - 2⁵ = 36897937 is a prime.

It is a super-2 number, since 2×36897969² = 2722920232649922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36897929) 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, 6149659 + ... + 6149664.

It is an arithmetic number, because the mean of its divisors is an integer number (12299324).

Almost surely, 2^36897969 is an apocalyptic number.

It is an amenable number.

36897969 is a deficient number, since it is larger than the sum of its proper divisors (12299327).

36897969 is a wasteful number, since it uses less digits than its factorization.

36897969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12299326.

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

The square root of 36897969 is about 6074.3698438603. The cubic root of 36897969 is about 332.9156059524.

The spelling of 36897969 in words is "thirty-six million, eight hundred ninety-seven thousand, nine hundred sixty-nine".