3621982 has 24 divisors (see below), whose sum is σ = 6808536. Its totient is φ = 1432368.

The previous prime is 3621977. The next prime is 3621983. The reversal of 3621982 is 2891263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621983) 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, 148 + ... + 2695.

It is an arithmetic number, because the mean of its divisors is an integer number (283689).

Almost surely, 2^3621982 is an apocalyptic number.

3621982 is a deficient number, since it is larger than the sum of its proper divisors (3186554).

3621982 is a wasteful number, since it uses less digits than its factorization.

3621982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2865 counting only the distinct ones).

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

The square root of 3621982 is about 1903.1505458056. The cubic root of 3621982 is about 153.5731984035.

The spelling of 3621982 in words is "three million, six hundred twenty-one thousand, nine hundred eighty-two".