7996040 has 32 divisors (see below), whose sum is σ = 19376280. Its totient is φ = 2952192.

The previous prime is 7996031. The next prime is 7996049. The reversal of 7996040 is 406997.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7996031) and next prime (7996049).

It can be written as a sum of positive squares in 4 ways, for example, as 7409284 + 586756 = 2722^2 + 766^2 .

It is not an unprimeable number, because it can be changed into a prime (7996049) 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, 7169 + ... + 8208.

Almost surely, 2^7996040 is an apocalyptic number.

It is an amenable number.

7996040 is an abundant number, since it is smaller than the sum of its proper divisors (11380240).

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

7996040 is a wasteful number, since it uses less digits than its factorization.

7996040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401 (or 15397 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 7996040 is about 2827.7270023819. The cubic root of 7996040 is about 199.9669945535.

The spelling of 7996040 in words is "seven million, nine hundred ninety-six thousand, forty".