609479 has 8 divisors (see below), whose sum is σ = 662592. Its totient is φ = 557280.

The previous prime is 609461. The next prime is 609487. The reversal of 609479 is 974906.

It is a happy number.

609479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609479.

It is not an unprimeable number, because it can be changed into a prime (609079) 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, 2114 + ... + 2384.

It is an arithmetic number, because the mean of its divisors is an integer number (82824).

2⁶⁰⁹⁴⁷⁹ is an apocalyptic number.

609479 is a deficient number, since it is larger than the sum of its proper divisors (53113).

609479 is a wasteful number, since it uses less digits than its factorization.

609479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 609479 is about 780.6913602699. The cubic root of 609479 is about 84.7851088573.

The spelling of 609479 in words is "six hundred nine thousand, four hundred seventy-nine".