36689697 has 12 divisors (see below), whose sum is σ = 57814224. Its totient is φ = 22236120.

The previous prime is 36689687. The next prime is 36689701. The reversal of 36689697 is 79698663.

It is a happy number.

It is not a de Polignac number, because 36689697 - 2⁶ = 36689633 is a prime.

It is a super-2 number, since 2×36689697² = 2692267731903618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36689617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185203 + ... + 185400.

It is an arithmetic number, because the mean of its divisors is an integer number (4817852).

Almost surely, 2^36689697 is an apocalyptic number.

It is an amenable number.

36689697 is a deficient number, since it is larger than the sum of its proper divisors (21124527).

36689697 is a wasteful number, since it uses less digits than its factorization.

36689697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370620 (or 370617 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 36689697 is about 6057.2020768668. The cubic root of 36689697 is about 332.2880387262.

The spelling of 36689697 in words is "thirty-six million, six hundred eighty-nine thousand, six hundred ninety-seven".