3621679 has 8 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 3519000.

The previous prime is 3621661. The next prime is 3621691. The reversal of 3621679 is 9761263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3621679 - 2¹⁷ = 3490607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621379) by changing a digit.

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, 11644 + ... + 11950.

It is an arithmetic number, because the mean of its divisors is an integer number (465696).

Almost surely, 2^3621679 is an apocalyptic number.

3621679 is a deficient number, since it is larger than the sum of its proper divisors (103889).

3621679 is a wasteful number, since it uses less digits than its factorization.

3621679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its digits is 13608, while the sum is 34.

The square root of 3621679 is about 1903.0709392978. The cubic root of 3621679 is about 153.5689158516.

The spelling of 3621679 in words is "three million, six hundred twenty-one thousand, six hundred seventy-nine".