3720324 has 12 divisors (see below), whose sum is σ = 8680784. Its totient is φ = 1240104.

The previous prime is 3720293. The next prime is 3720337. The reversal of 3720324 is 4230273.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3720324.

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, 155002 + ... + 155025.

Almost surely, 2^3720324 is an apocalyptic number.

It is an amenable number.

3720324 is an abundant number, since it is smaller than the sum of its proper divisors (4960460).

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

3720324 is a wasteful number, since it uses less digits than its factorization.

3720324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310034 (or 310032 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 3720324 is about 1928.8141434571. The cubic root of 3720324 is about 154.9507162079.

Adding to 3720324 its reverse (4230273), we get a palindrome (7950597).

The spelling of 3720324 in words is "three million, seven hundred twenty thousand, three hundred twenty-four".