7993894 has 8 divisors (see below), whose sum is σ = 12010680. Its totient is φ = 3990336.

The previous prime is 7993883. The next prime is 7993897. The reversal of 7993894 is 4983997.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624 + ... + 4315.

It is an arithmetic number, because the mean of its divisors is an integer number (1501335).

Almost surely, 2^7993894 is an apocalyptic number.

7993894 is a deficient number, since it is larger than the sum of its proper divisors (4016786).

7993894 is a wasteful number, since it uses less digits than its factorization.

7993894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614.

The product of its digits is 489888, while the sum is 49.

The square root of 7993894 is about 2827.3475202033. The cubic root of 7993894 is about 199.9491037156.

The spelling of 7993894 in words is "seven million, nine hundred ninety-three thousand, eight hundred ninety-four".