36855897 has 16 divisors (see below), whose sum is σ = 54747840. Its totient is φ = 21897792.

The previous prime is 36855883. The next prime is 36855899. The reversal of 36855897 is 79855863.

It is a de Polignac number, because none of the positive numbers 2^k-36855897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36855899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15163 + ... + 17424.

It is an arithmetic number, because the mean of its divisors is an integer number (3421740).

Almost surely, 2^36855897 is an apocalyptic number.

It is an amenable number.

36855897 is a deficient number, since it is larger than the sum of its proper divisors (17891943).

36855897 is a wasteful number, since it uses less digits than its factorization.

36855897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32632.

The product of its digits is 1814400, while the sum is 51.

The square root of 36855897 is about 6070.9057808535. The cubic root of 36855897 is about 332.7890248910.

It can be divided in two parts, 368 and 55897, that added together give a palindrome (56265).

The spelling of 36855897 in words is "thirty-six million, eight hundred fifty-five thousand, eight hundred ninety-seven".