3720942 has 36 divisors (see below), whose sum is σ = 8340696. Its totient is φ = 1198800.

The previous prime is 3720929. The next prime is 3720947. The reversal of 3720942 is 2490273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24567 + ... + 24717.

It is an arithmetic number, because the mean of its divisors is an integer number (231686).

Almost surely, 2^3720942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3720942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4170348).

3720942 is an abundant number, since it is smaller than the sum of its proper divisors (4619754).

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

3720942 is a wasteful number, since it uses less digits than its factorization.

3720942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3720942 is about 1928.9743388651. The cubic root of 3720942 is about 154.9592955898.

The spelling of 3720942 in words is "three million, seven hundred twenty thousand, nine hundred forty-two".