7642986 has 16 divisors (see below), whose sum is σ = 16461984. Its totient is φ = 2351664.

The previous prime is 7642963. The next prime is 7643017. The reversal of 7642986 is 6892467.

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, 48916 + ... + 49071.

It is an arithmetic number, because the mean of its divisors is an integer number (1028874).

Almost surely, 2^7642986 is an apocalyptic number.

7642986 is an abundant number, since it is smaller than the sum of its proper divisors (8818998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7642986 is a wasteful number, since it uses less digits than its factorization.

7642986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98005.

The product of its digits is 145152, while the sum is 42.

The square root of 7642986 is about 2764.5950878926. The cubic root of 7642986 is about 196.9794957487.

The spelling of 7642986 in words is "seven million, six hundred forty-two thousand, nine hundred eighty-six".