7963994 has 8 divisors (see below), whose sum is σ = 11958528. Its totient is φ = 3977820.

The previous prime is 7963981. The next prime is 7964023. The reversal of 7963994 is 4993697.

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

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, 1589 + ... + 4295.

It is an arithmetic number, because the mean of its divisors is an integer number (1494816).

Almost surely, 2^7963994 is an apocalyptic number.

7963994 is a deficient number, since it is larger than the sum of its proper divisors (3994534).

7963994 is a wasteful number, since it uses less digits than its factorization.

7963994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180.

The product of its digits is 367416, while the sum is 47.

The square root of 7963994 is about 2822.0549250502. The cubic root of 7963994 is about 199.6994987210.

The spelling of 7963994 in words is "seven million, nine hundred sixty-three thousand, nine hundred ninety-four".