679459498 has 4 divisors (see below), whose sum is σ = 1019189250. Its totient is φ = 339729748.

The previous prime is 679459493. The next prime is 679459507. The reversal of 679459498 is 894954976.

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., 630361449 + 49098049 = 25107^2 + 7007^2 .

It is not an unprimeable number, because it can be changed into a prime (679459493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169864873 + ... + 169864876.

Almost surely, 2^679459498 is an apocalyptic number.

679459498 is a deficient number, since it is larger than the sum of its proper divisors (339729752).

679459498 is a wasteful number, since it uses less digits than its factorization.

679459498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339729751.

The product of its digits is 19595520, while the sum is 61.

The square root of 679459498 is about 26066.4439078291. The cubic root of 679459498 is about 879.1328829447.

The spelling of 679459498 in words is "six hundred seventy-nine million, four hundred fifty-nine thousand, four hundred ninety-eight".