670459 has 4 divisors (see below), whose sum is σ = 676720. Its totient is φ = 664200.

The previous prime is 670457. The next prime is 670471. The reversal of 670459 is 954076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670459 - 2¹ = 670457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670459.

It is not an unprimeable number, because it can be changed into a prime (670457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2967 + ... + 3184.

It is an arithmetic number, because the mean of its divisors is an integer number (169180).

2⁶⁷⁰⁴⁵⁹ is an apocalyptic number.

670459 is a deficient number, since it is larger than the sum of its proper divisors (6261).

670459 is a wasteful number, since it uses less digits than its factorization.

670459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 670459 is about 818.8156080584. The cubic root of 670459 is about 87.5233787870.

The spelling of 670459 in words is "six hundred seventy thousand, four hundred fifty-nine".