997079 has 8 divisors (see below), whose sum is σ = 1037232. Its totient is φ = 957760.

The previous prime is 997069. The next prime is 997081. The reversal of 997079 is 970799.

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

It is not a de Polignac number, because 997079 - 2¹² = 992983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997019) 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, 3257 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (129654).

2⁹⁹⁷⁰⁷⁹ is an apocalyptic number.

997079 is a deficient number, since it is larger than the sum of its proper divisors (40153).

997079 is a wasteful number, since it uses less digits than its factorization.

997079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 997079 is about 998.5384319094. The cubic root of 997079 is about 99.9025383765.

The spelling of 997079 in words is "nine hundred ninety-seven thousand, seventy-nine".