3621956 has 12 divisors (see below), whose sum is σ = 6826092. Its totient is φ = 1671648.

The previous prime is 3621941. The next prime is 3621973. The reversal of 3621956 is 6591263.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2220100 + 1401856 = 1490^2 + 1184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34775 + ... + 34878.

It is an arithmetic number, because the mean of its divisors is an integer number (568841).

Almost surely, 2^3621956 is an apocalyptic number.

It is an amenable number.

3621956 is a deficient number, since it is larger than the sum of its proper divisors (3204136).

3621956 is a wasteful number, since it uses less digits than its factorization.

3621956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69670 (or 69668 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 3621956 is about 1903.1437150147. The cubic root of 3621956 is about 153.5728309331.

The spelling of 3621956 in words is "three million, six hundred twenty-one thousand, nine hundred fifty-six".