3815944 has 32 divisors (see below), whose sum is σ = 7899840. Its totient is φ = 1713600.

The previous prime is 3815927. The next prime is 3815957. The reversal of 3815944 is 4495183.

It is a super-2 number, since 2×3815944² = 29122857222272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854 + ... + 9274.

It is an arithmetic number, because the mean of its divisors is an integer number (246870).

Almost surely, 2^3815944 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 3815944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3949920).

3815944 is an abundant number, since it is smaller than the sum of its proper divisors (4083896).

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

3815944 is a wasteful number, since it uses less digits than its factorization.

3815944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 537 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 3815944 is about 1953.4441379267. Note that the first 3 decimals coincide. The cubic root of 3815944 is about 156.2670202259.

The spelling of 3815944 in words is "three million, eight hundred fifteen thousand, nine hundred forty-four".