7890894 has 36 divisors (see below), whose sum is σ = 18797688. Its totient is φ = 2390520.

The previous prime is 7890881. The next prime is 7890913. The reversal of 7890894 is 4980987.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 367 + ... + 3989.

It is an arithmetic number, because the mean of its divisors is an integer number (522158).

Almost surely, 2^7890894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7890894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9398844).

7890894 is an abundant number, since it is smaller than the sum of its proper divisors (10906794).

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

7890894 is a wasteful number, since it uses less digits than its factorization.

7890894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 7890894 is about 2809.0735127440. The cubic root of 7890894 is about 199.0866183532.

The spelling of 7890894 in words is "seven million, eight hundred ninety thousand, eight hundred ninety-four".