3995120 has 20 divisors (see below), whose sum is σ = 9288840. Its totient is φ = 1598016.

The previous prime is 3995113. The next prime is 3995129. The reversal of 3995120 is 215993.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995129) 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, 24890 + ... + 25049.

It is an arithmetic number, because the mean of its divisors is an integer number (464442).

Almost surely, 2^3995120 is an apocalyptic number.

It is an amenable number.

3995120 is an abundant number, since it is smaller than the sum of its proper divisors (5293720).

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

3995120 is a wasteful number, since it uses less digits than its factorization.

3995120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49952 (or 49946 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 3995120 is about 1998.7796276728. The cubic root of 3995120 is about 158.6755246175.

It can be divided in two parts, 39 and 95120, that added together give a palindrome (95159).

The spelling of 3995120 in words is "three million, nine hundred ninety-five thousand, one hundred twenty".