679048 has 16 divisors (see below), whose sum is σ = 1348380. Its totient is φ = 319488.

The previous prime is 679039. The next prime is 679051. The reversal of 679048 is 840976.

It can be written as a sum of positive squares in 2 ways, for example, as 675684 + 3364 = 822^2 + 58^2 .

It is a super-2 number, since 2×679048² = 922212372608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

679048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2361 + ... + 2632.

679048 is a Friedman number, since it can be written as 8*7^6-(4+0)^9, using all its digits and the basic arithmetic operations.

2⁶⁷⁹⁰⁴⁸ is an apocalyptic number.

679048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

679048 is a deficient number, since it is larger than the sum of its proper divisors (669332).

679048 is a wasteful number, since it uses less digits than its factorization.

679048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016 (or 5012 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 679048 is about 824.0436881622. The cubic root of 679048 is about 87.8955372007.

The spelling of 679048 in words is "six hundred seventy-nine thousand, forty-eight".