36879820 has 24 divisors (see below), whose sum is σ = 78321600. Its totient is φ = 14585472.

The previous prime is 36879811. The next prime is 36879839. The reversal of 36879820 is 2897863.

It is a super-2 number, since 2×36879820² = 2720242246464800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8580 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (3263400).

Almost surely, 2^36879820 is an apocalyptic number.

It is an amenable number.

36879820 is an abundant number, since it is smaller than the sum of its proper divisors (41441780).

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

36879820 is a wasteful number, since it uses less digits than its factorization.

36879820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20817 (or 20815 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 36879820 is about 6072.8757602968. The cubic root of 36879820 is about 332.8610132796.

The spelling of 36879820 in words is "thirty-six million, eight hundred seventy-nine thousand, eight hundred twenty".