7942986 has 24 divisors (see below), whose sum is σ = 17340804. Its totient is φ = 2627520.

The previous prime is 7942973. The next prime is 7942997. The reversal of 7942986 is 6892497.

It is a happy number.

7942986 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7667361 + 275625 = 2769^2 + 525^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 856 + ... + 4076.

Almost surely, 2^7942986 is an apocalyptic number.

7942986 is an abundant number, since it is smaller than the sum of its proper divisors (9397818).

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

7942986 is a wasteful number, since it uses less digits than its factorization.

7942986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3363 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 7942986 is about 2818.3303567893. The cubic root of 7942986 is about 199.5237501640.

The spelling of 7942986 in words is "seven million, nine hundred forty-two thousand, nine hundred eighty-six".