3994056 has 96 divisors (see below), whose sum is σ = 12405600. Its totient is φ = 1180800.

The previous prime is 3994021. The next prime is 3994069. The reversal of 3994056 is 6504993.

It is a super-2 number, since 2×3994056² = 31904966662272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3994056.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97396 + ... + 97436.

It is an arithmetic number, because the mean of its divisors is an integer number (129225).

Almost surely, 2^3994056 is an apocalyptic number.

3994056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3994056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6202800).

3994056 is an abundant number, since it is smaller than the sum of its proper divisors (8411544).

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

3994056 is a wasteful number, since it uses less digits than its factorization.

3994056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3994056 is about 1998.5134475404. The cubic root of 3994056 is about 158.6614369515.

The spelling of 3994056 in words is "three million, nine hundred ninety-four thousand, fifty-six".