679434 has 24 divisors (see below), whose sum is σ = 1581408. Its totient is φ = 194040.

The previous prime is 679433. The next prime is 679451. The reversal of 679434 is 434976.

It is a junction number, because it is equal to n+sod(n) for n = 679395 and 679404.

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 11 ways as a sum of consecutive naturals, for example, 862 + ... + 1449.

It is an arithmetic number, because the mean of its divisors is an integer number (65892).

2⁶⁷⁹⁴³⁴ is an apocalyptic number.

679434 is an abundant number, since it is smaller than the sum of its proper divisors (901974).

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

679434 is a wasteful number, since it uses less digits than its factorization.

679434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2323 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 679434 is about 824.2778657710. The cubic root of 679434 is about 87.9121885767.

The spelling of 679434 in words is "six hundred seventy-nine thousand, four hundred thirty-four".