679099 has 8 divisors (see below), whose sum is σ = 736560. Its totient is φ = 623616.

The previous prime is 679087. The next prime is 679111. The reversal of 679099 is 990976.

It is an interprime number because it is at equal distance from previous prime (679087) and next prime (679111).

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

It is a cyclic number.

It is not a de Polignac number, because 679099 - 2⁵ = 679067 is a prime.

It is a super-2 number, since 2×679099² = 922350903602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679039) 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, 267 + ... + 1195.

It is an arithmetic number, because the mean of its divisors is an integer number (92070).

2⁶⁷⁹⁰⁹⁹ is an apocalyptic number.

679099 is a deficient number, since it is larger than the sum of its proper divisors (57461).

679099 is a wasteful number, since it uses less digits than its factorization.

679099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 679099 is about 824.0746325425. The cubic root of 679099 is about 87.8977376147.

It can be divided in two parts, 6790 and 99, that added together give a square (6889 = 83²).

The spelling of 679099 in words is "six hundred seventy-nine thousand, ninety-nine".