670434 has 16 divisors (see below), whose sum is σ = 1411680. Its totient is φ = 211680.

The previous prime is 670409. The next prime is 670447. The reversal of 670434 is 434076.

670434 is nontrivially palindromic in base 8.

670434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

670434 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 7 ways as a sum of consecutive naturals, for example, 2827 + ... + 3054.

It is an arithmetic number, because the mean of its divisors is an integer number (88230).

2⁶⁷⁰⁴³⁴ is an apocalyptic number.

670434 is an abundant number, since it is smaller than the sum of its proper divisors (741246).

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

670434 is a wasteful number, since it uses less digits than its factorization.

670434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 670434 is about 818.8003419638. The cubic root of 670434 is about 87.5222909195.

The spelling of 670434 in words is "six hundred seventy thousand, four hundred thirty-four".