7996440 has 64 divisors (see below), whose sum is σ = 24651360. Its totient is φ = 2073600.

The previous prime is 7996423. The next prime is 7996463. The reversal of 7996440 is 446997.

7996440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3540 + ... + 5340.

Almost surely, 2^7996440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7996440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12325680).

7996440 is an abundant number, since it is smaller than the sum of its proper divisors (16654920).

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

7996440 is a wasteful number, since it uses less digits than its factorization.

7996440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 7996440 is about 2827.7977296829. The cubic root of 7996440 is about 199.9703289317.

The spelling of 7996440 in words is "seven million, nine hundred ninety-six thousand, four hundred forty".