679432 has 32 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 304704.

The previous prime is 679423. The next prime is 679433. The reversal of 679432 is 234976.

It is a junction number, because it is equal to n+sod(n) for n = 679394 and 679403.

It is not an unprimeable number, because it can be changed into a prime (679433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4819 + ... + 4957.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁶⁷⁹⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705600).

679432 is an abundant number, since it is smaller than the sum of its proper divisors (731768).

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

679432 is a wasteful number, since it uses less digits than its factorization.

679432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 201 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 679432 is about 824.2766525870. The cubic root of 679432 is about 87.9121023164.

It can be divided in two parts, 679 and 432, that added together give a palindrome (1111).

The spelling of 679432 in words is "six hundred seventy-nine thousand, four hundred thirty-two".