3995424 has 36 divisors (see below), whose sum is σ = 11362806. Its totient is φ = 1331712.

The previous prime is 3995413. The next prime is 3995429. The reversal of 3995424 is 4245993.

3995424 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3459600 + 535824 = 1860^2 + 732^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3995429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6649 + ... + 7224.

Almost surely, 2^3995424 is an apocalyptic number.

It is an amenable number.

3995424 is an abundant number, since it is smaller than the sum of its proper divisors (7367382).

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

3995424 is a wasteful number, since it uses less digits than its factorization.

3995424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13889 (or 13878 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 3995424 is about 1998.8556726287. The cubic root of 3995424 is about 158.6795492055.

Adding to 3995424 its product of digits (38880), we get a palindrome (4034304).

The spelling of 3995424 in words is "three million, nine hundred ninety-five thousand, four hundred twenty-four".