679536 has 120 divisors (see below), whose sum is σ = 2308880. Its totient is φ = 190080.

The previous prime is 679531. The next prime is 679537. The reversal of 679536 is 635976.

It is a happy number.

679536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 679536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679531) by changing a digit.

679536 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 23 ways as a sum of consecutive naturals, for example, 52266 + ... + 52278.

2⁶⁷⁹⁵³⁶ is an apocalyptic number.

679536 is a gapful number since it is divisible by the number (66) 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 679536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154440).

679536 is an abundant number, since it is smaller than the sum of its proper divisors (1629344).

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

679536 is a wasteful number, since it uses less digits than its factorization.

679536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 29 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 679536 is about 824.3397357886. The cubic root of 679536 is about 87.9165876277.

The spelling of 679536 in words is "six hundred seventy-nine thousand, five hundred thirty-six".