36686820 has 48 divisors (see below), whose sum is σ = 102993408. Its totient is φ = 9757440.

The previous prime is 36686801. The next prime is 36686851. The reversal of 36686820 is 2868663.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36525 + ... + 37515.

It is an arithmetic number, because the mean of its divisors is an integer number (2145696).

Almost surely, 2^36686820 is an apocalyptic number.

36686820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36686820 is an abundant number, since it is smaller than the sum of its proper divisors (66306588).

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

36686820 is a wasteful number, since it uses less digits than its factorization.

36686820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 36686820 is about 6056.9645863254. The cubic root of 36686820 is about 332.2793531118.

The spelling of 36686820 in words is "thirty-six million, six hundred eighty-six thousand, eight hundred twenty".