36887818 has 12 divisors (see below), whose sum is σ = 60819570. Its totient is φ = 16767080.

The previous prime is 36887789. The next prime is 36887819. The reversal of 36887818 is 81878863.

It can be written as a sum of positive squares in only one way, i.e., 33097009 + 3790809 = 5753^2 + 1947^2 .

It is a super-2 number, since 2×36887818² = 2721422233602248, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (36887819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75973 + ... + 76456.

Almost surely, 2^36887818 is an apocalyptic number.

36887818 is a deficient number, since it is larger than the sum of its proper divisors (23931752).

36887818 is a wasteful number, since it uses less digits than its factorization.

36887818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152453 (or 152442 counting only the distinct ones).

The product of its digits is 516096, while the sum is 49.

The square root of 36887818 is about 6073.5342264616. The cubic root of 36887818 is about 332.8850736823.

The spelling of 36887818 in words is "thirty-six million, eight hundred eighty-seven thousand, eight hundred eighteen".