3995628 has 48 divisors (see below), whose sum is σ = 11477760. Its totient is φ = 1053504.

The previous prime is 3995627. The next prime is 3995633. The reversal of 3995628 is 8265993.

It is a super-2 number, since 2×3995628² = 31930086228768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 3995628.

It is not an unprimeable number, because it can be changed into a prime (3995623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738 + ... + 2921.

It is an arithmetic number, because the mean of its divisors is an integer number (239120).

Almost surely, 2^3995628 is an apocalyptic number.

It is an amenable number.

3995628 is an abundant number, since it is smaller than the sum of its proper divisors (7482132).

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

3995628 is a wasteful number, since it uses less digits than its factorization.

3995628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686 (or 3684 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 3995628 is about 1998.9067011744. The cubic root of 3995628 is about 158.6822498014.

The spelling of 3995628 in words is "three million, nine hundred ninety-five thousand, six hundred twenty-eight".