3995718 has 8 divisors (see below), whose sum is σ = 7991448. Its totient is φ = 1331904.

The previous prime is 3995713. The next prime is 3995729. The reversal of 3995718 is 8175993.

It is a happy number.

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

3995718 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3995718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332971 + ... + 332982.

It is an arithmetic number, because the mean of its divisors is an integer number (998931).

Almost surely, 2^3995718 is an apocalyptic number.

3995718 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.

3995718 is a wasteful number, since it uses less digits than its factorization.

3995718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665958.

The product of its digits is 68040, while the sum is 42.

The square root of 3995718 is about 1998.9292133540. The cubic root of 3995718 is about 158.6834412115.

The spelling of 3995718 in words is "three million, nine hundred ninety-five thousand, seven hundred eighteen".