679417498 has 4 divisors (see below), whose sum is σ = 1019126250. Its totient is φ = 339708748.

The previous prime is 679417469. The next prime is 679417507. The reversal of 679417498 is 894714976.

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., 635897089 + 43520409 = 25217^2 + 6597^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169854373 + ... + 169854376.

Almost surely, 2^679417498 is an apocalyptic number.

679417498 is a deficient number, since it is larger than the sum of its proper divisors (339708752).

679417498 is a wasteful number, since it uses less digits than its factorization.

679417498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339708751.

The product of its digits is 3048192, while the sum is 55.

The square root of 679417498 is about 26065.6382618957. The cubic root of 679417498 is about 879.1147683786.

The spelling of 679417498 in words is "six hundred seventy-nine million, four hundred seventeen thousand, four hundred ninety-eight".