679285240 has 16 divisors (see below), whose sum is σ = 1528391880. Its totient is φ = 271714080.

The previous prime is 679285223. The next prime is 679285247. The reversal of 679285240 is 42582976.

679285240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679285240² = 922856874563715200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679285247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8491026 + ... + 8491105.

Almost surely, 2^679285240 is an apocalyptic number.

It is an amenable number.

679285240 is an abundant number, since it is smaller than the sum of its proper divisors (849106640).

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

679285240 is a wasteful number, since it uses less digits than its factorization.

679285240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16982142 (or 16982138 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 679285240 is about 26063.1011201660. The cubic root of 679285240 is about 879.0577207328.

The spelling of 679285240 in words is "six hundred seventy-nine million, two hundred eighty-five thousand, two hundred forty".