3621879 has 12 divisors (see below), whose sum is σ = 5459376. Its totient is φ = 2309472.

The previous prime is 3621857. The next prime is 3621881. The reversal of 3621879 is 9781263.

It is not a de Polignac number, because 3621879 - 2⁸ = 3621623 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8542 + ... + 8955.

It is an arithmetic number, because the mean of its divisors is an integer number (454948).

Almost surely, 2^3621879 is an apocalyptic number.

3621879 is a deficient number, since it is larger than the sum of its proper divisors (1837497).

3621879 is a wasteful number, since it uses less digits than its factorization.

3621879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17526 (or 17523 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3621879 is about 1903.1234852211. The cubic root of 3621879 is about 153.5717426453.

The spelling of 3621879 in words is "three million, six hundred twenty-one thousand, eight hundred seventy-nine".