3720244 has 12 divisors (see below), whose sum is σ = 7102368. Its totient is φ = 1691000.

The previous prime is 3720209. The next prime is 3720247. The reversal of 3720244 is 4420273.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720247) 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, 42232 + ... + 42319.

It is an arithmetic number, because the mean of its divisors is an integer number (591864).

Almost surely, 2^3720244 is an apocalyptic number.

It is an amenable number.

3720244 is a deficient number, since it is larger than the sum of its proper divisors (3382124).

3720244 is a wasteful number, since it uses less digits than its factorization.

3720244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84566 (or 84564 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 3720244 is about 1928.7934052148. The cubic root of 3720244 is about 154.9496055389.

The spelling of 3720244 in words is "three million, seven hundred twenty thousand, two hundred forty-four".