7997039 has 8 divisors (see below), whose sum is σ = 8392320. Its totient is φ = 7610400.

The previous prime is 7997029. The next prime is 7997047. The reversal of 7997039 is 9307997.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7997039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997029) by changing a digit.

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, 224 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (1049040).

Almost surely, 2^7997039 is an apocalyptic number.

7997039 is a deficient number, since it is larger than the sum of its proper divisors (395281).

7997039 is a wasteful number, since it uses less digits than its factorization.

7997039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321.

The product of its (nonzero) digits is 107163, while the sum is 44.

The square root of 7997039 is about 2827.9036405083. The cubic root of 7997039 is about 199.9753219551.

The spelling of 7997039 in words is "seven million, nine hundred ninety-seven thousand, thirty-nine".