7872894 has 24 divisors (see below), whose sum is σ = 17130360. Its totient is φ = 2613168.

The previous prime is 7872883. The next prime is 7872919. The reversal of 7872894 is 4982787.

7872894 is digitally balanced in base 4, 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 11 ways as a sum of consecutive naturals, for example, 4197 + ... + 5775.

It is an arithmetic number, because the mean of its divisors is an integer number (713765).

Almost surely, 2^7872894 is an apocalyptic number.

7872894 is an abundant number, since it is smaller than the sum of its proper divisors (9257466).

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

7872894 is a wasteful number, since it uses less digits than its factorization.

7872894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864 (or 1861 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 7872894 is about 2805.8677802063. The cubic root of 7872894 is about 198.9351235872.

The spelling of 7872894 in words is "seven million, eight hundred seventy-two thousand, eight hundred ninety-four".