7993994 has 8 divisors (see below), whose sum is σ = 12024768. Its totient is φ = 3985740.

The previous prime is 7993987. The next prime is 7994017. The reversal of 7993994 is 4993997.

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

It is an Ulam 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, 4712 + ... + 6179.

It is an arithmetic number, because the mean of its divisors is an integer number (1503096).

Almost surely, 2^7993994 is an apocalyptic number.

7993994 is a deficient number, since it is larger than the sum of its proper divisors (4030774).

7993994 is a wasteful number, since it uses less digits than its factorization.

7993994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11260.

The product of its digits is 551124, while the sum is 50.

The square root of 7993994 is about 2827.3652045677. The cubic root of 7993994 is about 199.9499374698.

The spelling of 7993994 in words is "seven million, nine hundred ninety-three thousand, nine hundred ninety-four".