3994960 has 20 divisors (see below), whose sum is σ = 9288468. Its totient is φ = 1597952.

The previous prime is 3994937. The next prime is 3994961. The reversal of 3994960 is 694993.

It can be written as a sum of positive squares in 2 ways, for example, as 1132096 + 2862864 = 1064^2 + 1692^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994961) 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, 24889 + ... + 25048.

Almost surely, 2^3994960 is an apocalyptic number.

It is an amenable number.

3994960 is an abundant number, since it is smaller than the sum of its proper divisors (5293508).

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

3994960 is a wasteful number, since it uses less digits than its factorization.

3994960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49950 (or 49944 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3994960 is about 1998.7396028498. The cubic root of 3994960 is about 158.6734063313.

The spelling of 3994960 in words is "three million, nine hundred ninety-four thousand, nine hundred sixty".