979759 has 4 divisors (see below), whose sum is σ = 1068840. Its totient is φ = 890680.

The previous prime is 979757. The next prime is 979787. The reversal of 979759 is 957979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 979759 - 2¹ = 979757 is a prime.

It is a Duffinian number.

979759 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979757) 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, 44524 + ... + 44545.

It is an arithmetic number, because the mean of its divisors is an integer number (267210).

2⁹⁷⁹⁷⁵⁹ is an apocalyptic number.

979759 is a deficient number, since it is larger than the sum of its proper divisors (89081).

979759 is a wasteful number, since it uses less digits than its factorization.

979759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89080.

The product of its digits is 178605, while the sum is 46.

The square root of 979759 is about 989.8277627951. The cubic root of 979759 is about 99.3206959084.

The spelling of 979759 in words is "nine hundred seventy-nine thousand, seven hundred fifty-nine".