7890896 has 40 divisors (see below), whose sum is σ = 16769760. Its totient is φ = 3574656.

The previous prime is 7890881. The next prime is 7890913. The reversal of 7890896 is 6980987.

It is a self number, because there is not a number n which added to its sum of digits gives 7890896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11951 + ... + 12593.

It is an arithmetic number, because the mean of its divisors is an integer number (419244).

Almost surely, 2^7890896 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 7890896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8384880).

7890896 is an abundant number, since it is smaller than the sum of its proper divisors (8878864).

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

7890896 is a wasteful number, since it uses less digits than its factorization.

7890896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 7890896 is about 2809.0738687333. The cubic root of 7890896 is about 199.0866351731.

Subtracting from 7890896 its reverse (6980987), we obtain a palindrome (909909).

The spelling of 7890896 in words is "seven million, eight hundred ninety thousand, eight hundred ninety-six".