7980917 has 4 divisors (see below), whose sum is σ = 9121056. Its totient is φ = 6840780.

The previous prime is 7980911. The next prime is 7980923. The reversal of 7980917 is 7190897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7980911) and next prime (7980923).

It is a cyclic number.

It is not a de Polignac number, because 7980917 - 2¹⁰ = 7979893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980911) 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, 570059 + ... + 570072.

It is an arithmetic number, because the mean of its divisors is an integer number (2280264).

Almost surely, 2^7980917 is an apocalyptic number.

It is an amenable number.

7980917 is a deficient number, since it is larger than the sum of its proper divisors (1140139).

7980917 is a wasteful number, since it uses less digits than its factorization.

7980917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140138.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 7980917 is about 2825.0516809432. The cubic root of 7980917 is about 199.8408483874.

The spelling of 7980917 in words is "seven million, nine hundred eighty thousand, nine hundred seventeen".