36871866 has 24 divisors (see below), whose sum is σ = 80626260. Its totient is φ = 12177216.

The previous prime is 36871853. The next prime is 36871871. The reversal of 36871866 is 66817863.

It can be written as a sum of positive squares in 2 ways, for example, as 35105625 + 1766241 = 5925^2 + 1329^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7435 + ... + 11358.

Almost surely, 2^36871866 is an apocalyptic number.

36871866 is an abundant number, since it is smaller than the sum of its proper divisors (43754394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36871866 is a wasteful number, since it uses less digits than its factorization.

36871866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18910 (or 18907 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 36871866 is about 6072.2208457862. The cubic root of 36871866 is about 332.8370817921.

The spelling of 36871866 in words is "thirty-six million, eight hundred seventy-one thousand, eight hundred sixty-six".