7990851 has 8 divisors (see below), whose sum is σ = 11623104. Its totient is φ = 4842920.

The previous prime is 7990847. The next prime is 7990877. The reversal of 7990851 is 1580997.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7990851 - 2² = 7990847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7990891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121041 + ... + 121106.

It is an arithmetic number, because the mean of its divisors is an integer number (1452888).

Almost surely, 2^7990851 is an apocalyptic number.

7990851 is a deficient number, since it is larger than the sum of its proper divisors (3632253).

7990851 is a wasteful number, since it uses less digits than its factorization.

7990851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242161.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 7990851 is about 2826.8093320916. The cubic root of 7990851 is about 199.9237292509.

The spelling of 7990851 in words is "seven million, nine hundred ninety thousand, eight hundred fifty-one".