7999291 has 4 divisors (see below), whose sum is σ = 8095752. Its totient is φ = 7902832.

The previous prime is 7999283. The next prime is 7999297. The reversal of 7999291 is 1929997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1929997 = 149 ⋅12953.

It is a cyclic number.

It is not a de Polignac number, because 7999291 - 2³ = 7999283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7999297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48106 + ... + 48271.

It is an arithmetic number, because the mean of its divisors is an integer number (2023938).

Almost surely, 2^7999291 is an apocalyptic number.

7999291 is a deficient number, since it is larger than the sum of its proper divisors (96461).

7999291 is an equidigital number, since it uses as much as digits as its factorization.

7999291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96460.

The product of its digits is 91854, while the sum is 46.

The square root of 7999291 is about 2828.3017872922. The cubic root of 7999291 is about 199.9940914921.

The spelling of 7999291 in words is "seven million, nine hundred ninety-nine thousand, two hundred ninety-one".