679839000 has 128 divisors (see below), whose sum is σ = 2232921600. Its totient is φ = 171734400.

The previous prime is 679838983. The next prime is 679839023. The reversal of 679839000 is 938976.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51037 + ... + 62963.

It is an arithmetic number, because the mean of its divisors is an integer number (17444700).

Almost surely, 2^679839000 is an apocalyptic number.

679839000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679839000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116460800).

679839000 is an abundant number, since it is smaller than the sum of its proper divisors (1553082600).

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

679839000 is a wasteful number, since it uses less digits than its factorization.

679839000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11970 (or 11956 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 679839000 is about 26073.7224039837. The cubic root of 679839000 is about 879.2965280147.

The spelling of 679839000 in words is "six hundred seventy-nine million, eight hundred thirty-nine thousand".