609478 has 4 divisors (see below), whose sum is σ = 914220. Its totient is φ = 304738.

The previous prime is 609461. The next prime is 609487. The reversal of 609478 is 874906.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152368 + ... + 152371.

It is an arithmetic number, because the mean of its divisors is an integer number (228555).

2⁶⁰⁹⁴⁷⁸ is an apocalyptic number.

609478 is a deficient number, since it is larger than the sum of its proper divisors (304742).

609478 is a wasteful number, since it uses less digits than its factorization.

609478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304741.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 609478 is about 780.6907198116. The cubic root of 609478 is about 84.7850624870.

The spelling of 609478 in words is "six hundred nine thousand, four hundred seventy-eight".