7889394 has 16 divisors (see below), whose sum is σ = 16707168. Its totient is φ = 2475072.

The previous prime is 7889383. The next prime is 7889423. The reversal of 7889394 is 4939887.

7889394 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 7 ways as a sum of consecutive naturals, for example, 38572 + ... + 38775.

It is an arithmetic number, because the mean of its divisors is an integer number (1044198).

Almost surely, 2^7889394 is an apocalyptic number.

7889394 is an abundant number, since it is smaller than the sum of its proper divisors (8817774).

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

7889394 is a wasteful number, since it uses less digits than its factorization.

7889394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77369.

The product of its digits is 435456, while the sum is 48.

The square root of 7889394 is about 2808.8065081098. The cubic root of 7889394 is about 199.0740025942.

It can be divided in two parts, 78893 and 94, that added together give a palindrome (78987).

The spelling of 7889394 in words is "seven million, eight hundred eighty-nine thousand, three hundred ninety-four".