3621685086 has 24 divisors (see below), whose sum is σ = 7848211800. Its totient is φ = 1207039536.

The previous prime is 3621685051. The next prime is 3621685141. The reversal of 3621685086 is 6805861263.

3621685086 is a `hidden beast` number, since 362 + 168 + 50 + 86 = 666.

It is a congruent number.

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, 149340 + ... + 171888.

It is an arithmetic number, because the mean of its divisors is an integer number (327008825).

Almost surely, 2^3621685086 is an apocalyptic number.

3621685086 is an abundant number, since it is smaller than the sum of its proper divisors (4226526714).

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

3621685086 is a wasteful number, since it uses less digits than its factorization.

3621685086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31480 (or 31477 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 3621685086 is about 60180.4377351976. The cubic root of 3621685086 is about 1535.6900187251.

The spelling of 3621685086 in words is "three billion, six hundred twenty-one million, six hundred eighty-five thousand, eighty-six".