3621379 has 2 divisors, whose sum is σ = 3621380. Its totient is φ = 3621378.

The previous prime is 3621353. The next prime is 3621403. The reversal of 3621379 is 9731263.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3621379 - 2⁵ = 3621347 is a prime.

It is a super-2 number, since 2×3621379² = 26228771723282, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3621379.

It is not a weakly prime, because it can be changed into another prime (3621329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810689 + 1810690.

It is an arithmetic number, because the mean of its divisors is an integer number (1810690).

Almost surely, 2^3621379 is an apocalyptic number.

3621379 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621379 is an equidigital number, since it uses as much as digits as its factorization.

3621379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 3621379 is about 1902.9921176926. The cubic root of 3621379 is about 153.5646754660.

The spelling of 3621379 in words is "three million, six hundred twenty-one thousand, three hundred seventy-nine".