3720246 has 16 divisors (see below), whose sum is σ = 7878384. Its totient is φ = 1167104.

The previous prime is 3720209. The next prime is 3720247. The reversal of 3720246 is 6420273.

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 18135 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (492399).

Almost surely, 2^3720246 is an apocalyptic number.

3720246 is an abundant number, since it is smaller than the sum of its proper divisors (4158138).

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

3720246 is a wasteful number, since it uses less digits than its factorization.

3720246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36495.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 3720246 is about 1928.7939236735. The cubic root of 3720246 is about 154.9496333058.

The spelling of 3720246 in words is "three million, seven hundred twenty thousand, two hundred forty-six".