7961862 has 16 divisors (see below), whose sum is σ = 15986160. Its totient is φ = 2643552.

The previous prime is 7961839. The next prime is 7961879. The reversal of 7961862 is 2681697.

It is a self number, because there is not a number n which added to its sum of digits gives 7961862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853 + ... + 4080.

It is an arithmetic number, because the mean of its divisors is an integer number (999135).

Almost surely, 2^7961862 is an apocalyptic number.

7961862 is an abundant number, since it is smaller than the sum of its proper divisors (8024298).

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

7961862 is a wasteful number, since it uses less digits than its factorization.

7961862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207.

The product of its digits is 36288, while the sum is 39.

The square root of 7961862 is about 2821.6771608389. The cubic root of 7961862 is about 199.6816769543.

The spelling of 7961862 in words is "seven million, nine hundred sixty-one thousand, eight hundred sixty-two".