3621957 has 4 divisors (see below), whose sum is σ = 4829280. Its totient is φ = 2414636.

The previous prime is 3621941. The next prime is 3621973. The reversal of 3621957 is 7591263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3621941) and next prime (3621973).

It is a cyclic number.

It is not a de Polignac number, because 3621957 - 2⁴ = 3621941 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603657 + ... + 603662.

It is an arithmetic number, because the mean of its divisors is an integer number (1207320).

Almost surely, 2^3621957 is an apocalyptic number.

It is an amenable number.

3621957 is a deficient number, since it is larger than the sum of its proper divisors (1207323).

3621957 is a wasteful number, since it uses less digits than its factorization.

3621957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207322.

The product of its digits is 11340, while the sum is 33.

The square root of 3621957 is about 1903.1439777379. The cubic root of 3621957 is about 153.5728450666.

The spelling of 3621957 in words is "three million, six hundred twenty-one thousand, nine hundred fifty-seven".