3915444 has 48 divisors (see below), whose sum is σ = 10364480. Its totient is φ = 1140480.

The previous prime is 3915433. The next prime is 3915469. The reversal of 3915444 is 4445193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2304 + ... + 3624.

Almost surely, 2^3915444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3915444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5182240).

3915444 is an abundant number, since it is smaller than the sum of its proper divisors (6449036).

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

3915444 is a wasteful number, since it uses less digits than its factorization.

3915444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1358 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 3915444 is about 1978.7480890705. The cubic root of 3915444 is about 157.6135940416.

The spelling of 3915444 in words is "three million, nine hundred fifteen thousand, four hundred forty-four".