3995634 has 16 divisors (see below), whose sum is σ = 8011872. Its totient is φ = 1328448.

The previous prime is 3995633. The next prime is 3995639. The reversal of 3995634 is 4365993.

It is a junction number, because it is equal to n+sod(n) for n = 3995592 and 3995601.

It is not an unprimeable number, because it can be changed into a prime (3995633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2997 + ... + 4119.

It is an arithmetic number, because the mean of its divisors is an integer number (500742).

Almost surely, 2^3995634 is an apocalyptic number.

3995634 is an abundant number, since it is smaller than the sum of its proper divisors (4016238).

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

3995634 is a wasteful number, since it uses less digits than its factorization.

3995634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 87480, while the sum is 39.

The square root of 3995634 is about 1998.9082019943. The cubic root of 3995634 is about 158.6823292293.

The spelling of 3995634 in words is "three million, nine hundred ninety-five thousand, six hundred thirty-four".