3621924 has 18 divisors (see below), whose sum is σ = 9155510. Its totient is φ = 1207296.

The previous prime is 3621911. The next prime is 3621929. The reversal of 3621924 is 4291263.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 381924 = 1800^2 + 618^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3621929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50269 + ... + 50340.

Almost surely, 2^3621924 is an apocalyptic number.

It is an amenable number.

3621924 is an abundant number, since it is smaller than the sum of its proper divisors (5533586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3621924 is a wasteful number, since it uses less digits than its factorization.

3621924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100619 (or 100614 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 3621924 is about 1903.1353078539. The cubic root of 3621924 is about 153.5723786596.

The spelling of 3621924 in words is "three million, six hundred twenty-one thousand, nine hundred twenty-four".