36897147 has 36 divisors (see below), whose sum is σ = 63969960. Its totient is φ = 20957832.

The previous prime is 36897143. The next prime is 36897149. The reversal of 36897147 is 74179863.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 36897147 - 2² = 36897143 is a prime.

It is a super-2 number, since 2×36897147² = 2722798913479218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36897143) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 220858 + ... + 221024.

Almost surely, 2^36897147 is an apocalyptic number.

36897147 is a deficient number, since it is larger than the sum of its proper divisors (27072813).

36897147 is an equidigital number, since it uses as much as digits as its factorization.

36897147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 177 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 36897147 is about 6074.3021821441. The cubic root of 36897147 is about 332.9131337417.

The spelling of 36897147 in words is "thirty-six million, eight hundred ninety-seven thousand, one hundred forty-seven".