7942894 has 8 divisors (see below), whose sum is σ = 12048480. Its totient is φ = 3926736.

The previous prime is 7942867. The next prime is 7942903. The reversal of 7942894 is 4982497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7942894.

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, 22134 + ... + 22489.

It is an arithmetic number, because the mean of its divisors is an integer number (1506060).

Almost surely, 2^7942894 is an apocalyptic number.

7942894 is a deficient number, since it is larger than the sum of its proper divisors (4105586).

7942894 is a wasteful number, since it uses less digits than its factorization.

7942894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44714.

The product of its digits is 145152, while the sum is 43.

The square root of 7942894 is about 2818.3140350216. The cubic root of 7942894 is about 199.5229798300.

It can be divided in two parts, 7942 and 894, that added together give a square (8836 = 94²).

The spelling of 7942894 in words is "seven million, nine hundred forty-two thousand, eight hundred ninety-four".