7940496 has 80 divisors (see below), whose sum is σ = 22391424. Its totient is φ = 2414592.

The previous prime is 7940483. The next prime is 7940503. The reversal of 7940496 is 6940497.

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, 30061 + ... + 30323.

Almost surely, 2^7940496 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 7940496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11195712).

7940496 is an abundant number, since it is smaller than the sum of its proper divisors (14450928).

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

7940496 is a wasteful number, since it uses less digits than its factorization.

7940496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

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

The square root of 7940496 is about 2817.8885712533. Note that the first 3 decimals coincide. The cubic root of 7940496 is about 199.5028988090.

Subtracting from 7940496 its reverse (6940497), we obtain a palindrome (999999).

The spelling of 7940496 in words is "seven million, nine hundred forty thousand, four hundred ninety-six".