7796991 has 8 divisors (see below), whose sum is σ = 10551424. Its totient is φ = 5120280.

The previous prime is 7796981. The next prime is 7796993. The reversal of 7796991 is 1996977.

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

It is not a de Polignac number, because 7796991 - 2²¹ = 5699839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7796991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7796993) 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, 19195 + ... + 19596.

It is an arithmetic number, because the mean of its divisors is an integer number (1318928).

Almost surely, 2^7796991 is an apocalyptic number.

7796991 is a deficient number, since it is larger than the sum of its proper divisors (2754433).

7796991 is a wasteful number, since it uses less digits than its factorization.

7796991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38861.

The product of its digits is 214326, while the sum is 48.

The square root of 7796991 is about 2792.3092593765. The cubic root of 7796991 is about 198.2937431668.

The spelling of 7796991 in words is "seven million, seven hundred ninety-six thousand, nine hundred ninety-one".