3995538 has 8 divisors (see below), whose sum is σ = 7991088. Its totient is φ = 1331844.

The previous prime is 3995513. The next prime is 3995543. The reversal of 3995538 is 8355993.

It is a sphenic number, since it is the product of 3 distinct primes.

3995538 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3995538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332956 + ... + 332967.

It is an arithmetic number, because the mean of its divisors is an integer number (998886).

Almost surely, 2^3995538 is an apocalyptic number.

3995538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3995538 is a wasteful number, since it uses less digits than its factorization.

3995538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665928.

The product of its digits is 145800, while the sum is 42.

The square root of 3995538 is about 1998.8841887413. The cubic root of 3995538 is about 158.6810583733.

It can be divided in two parts, 39955 and 38, that added together give a palindrome (39993).

The spelling of 3995538 in words is "three million, nine hundred ninety-five thousand, five hundred thirty-eight".