36821860 has 24 divisors (see below), whose sum is σ = 78482880. Its totient is φ = 14508384.

The previous prime is 36821801. The next prime is 36821899. The reversal of 36821860 is 6812863.

36821860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12400 + ... + 15079.

It is an arithmetic number, because the mean of its divisors is an integer number (3270120).

Almost surely, 2^36821860 is an apocalyptic number.

It is an amenable number.

36821860 is an abundant number, since it is smaller than the sum of its proper divisors (41661020).

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

36821860 is a wasteful number, since it uses less digits than its factorization.

36821860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27555 (or 27553 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 36821860 is about 6068.1018448935. The cubic root of 36821860 is about 332.6865480403.

The spelling of 36821860 in words is "thirty-six million, eight hundred twenty-one thousand, eight hundred sixty".