7898456 has 16 divisors (see below), whose sum is σ = 14839440. Its totient is φ = 3941280.

The previous prime is 7898447. The next prime is 7898477. The reversal of 7898456 is 6548987.

It is a self number, because there is not a number n which added to its sum of digits gives 7898456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7226 + ... + 8246.

It is an arithmetic number, because the mean of its divisors is an integer number (927465).

Almost surely, 2^7898456 is an apocalyptic number.

It is an amenable number.

7898456 is a deficient number, since it is larger than the sum of its proper divisors (6940984).

7898456 is a wasteful number, since it uses less digits than its factorization.

7898456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1990 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 7898456 is about 2810.4191858155. The cubic root of 7898456 is about 199.1501942653.

The spelling of 7898456 in words is "seven million, eight hundred ninety-eight thousand, four hundred fifty-six".