3622891 has 8 divisors (see below), whose sum is σ = 3838464. Its totient is φ = 3412200.

The previous prime is 3622889. The next prime is 3622897. The reversal of 3622891 is 1982263.

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 3622891 - 2¹ = 3622889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3622897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366 + ... + 2716.

It is an arithmetic number, because the mean of its divisors is an integer number (479808).

Almost surely, 2^3622891 is an apocalyptic number.

3622891 is a deficient number, since it is larger than the sum of its proper divisors (215573).

3622891 is a wasteful number, since it uses less digits than its factorization.

3622891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441.

The product of its digits is 5184, while the sum is 31.

The square root of 3622891 is about 1903.3893453521. The cubic root of 3622891 is about 153.5860446260.

The spelling of 3622891 in words is "three million, six hundred twenty-two thousand, eight hundred ninety-one".