679498 has 4 divisors (see below), whose sum is σ = 1019250. Its totient is φ = 339748.

The previous prime is 679487. The next prime is 679501. The reversal of 679498 is 894976.

679498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 552049 + 127449 = 743^2 + 357^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169873 + ... + 169876.

2⁶⁷⁹⁴⁹⁸ is an apocalyptic number.

679498 is a deficient number, since it is larger than the sum of its proper divisors (339752).

679498 is a wasteful number, since it uses less digits than its factorization.

679498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339751.

The product of its digits is 108864, while the sum is 43.

The square root of 679498 is about 824.3166867169. The cubic root of 679498 is about 87.9149488170.

The spelling of 679498 in words is "six hundred seventy-nine thousand, four hundred ninety-eight".