679098 has 64 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 171072.

The previous prime is 679087. The next prime is 679111. The reversal of 679098 is 890976.

It is a super-2 number, since 2×679098² = 922348187208, which contains 22 as substring.

679098 is an undulating number in base 11.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

679098 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18336 + ... + 18372.

It is an arithmetic number, because the mean of its divisors is an integer number (27360).

2⁶⁷⁹⁰⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875520).

679098 is an abundant number, since it is smaller than the sum of its proper divisors (1071942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679098 is a wasteful number, since it uses less digits than its factorization.

679098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 679098 is about 824.0740258011. The cubic root of 679098 is about 87.8976944704.

The spelling of 679098 in words is "six hundred seventy-nine thousand, ninety-eight".