3960040 has 32 divisors (see below), whose sum is σ = 10183680. Its totient is φ = 1357632.

The previous prime is 3960029. The next prime is 3960049. The reversal of 3960040 is 400693.

It is a junction number, because it is equal to n+sod(n) for n = 3959993 and 3960020.

It is not an unprimeable number, because it can be changed into a prime (3960049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6792 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (318240).

Almost surely, 2^3960040 is an apocalyptic number.

It is an amenable number.

3960040 is an abundant number, since it is smaller than the sum of its proper divisors (6223640).

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

3960040 is a wasteful number, since it uses less digits than its factorization.

3960040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14161 (or 14157 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3960040 is about 1989.9849245660. The cubic root of 3960040 is about 158.2097305584.

The spelling of 3960040 in words is "three million, nine hundred sixty thousand, forty".