7932486394 has 16 divisors (see below), whose sum is σ = 13624561728. Its totient is φ = 3393133632.

The previous prime is 7932486379. The next prime is 7932486407. The reversal of 7932486394 is 4936842397.

It is a happy 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, 534367 + ... + 549010.

It is an arithmetic number, because the mean of its divisors is an integer number (851535108).

Almost surely, 2^7932486394 is an apocalyptic number.

7932486394 is a deficient number, since it is larger than the sum of its proper divisors (5692075334).

7932486394 is a wasteful number, since it uses less digits than its factorization.

7932486394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083909.

The product of its digits is 7838208, while the sum is 55.

The square root of 7932486394 is about 89064.5069261600. The cubic root of 7932486394 is about 1994.3579648531.

The spelling of 7932486394 in words is "seven billion, nine hundred thirty-two million, four hundred eighty-six thousand, three hundred ninety-four".