609854 has 20 divisors (see below), whose sum is σ = 1075584. Its totient is φ = 259308.

The previous prime is 609821. The next prime is 609859. The reversal of 609854 is 458906.

It is a d-powerful number, because it can be written as 6³ + 0 + 8 + 9⁶ + 5⁷ + 4³ .

It is a self number, because there is not a number n which added to its sum of digits gives 609854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4739 + ... + 4865.

2⁶⁰⁹⁸⁵⁴ is an apocalyptic number.

609854 is a deficient number, since it is larger than the sum of its proper divisors (465730).

609854 is an equidigital number, since it uses as much as digits as its factorization.

609854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 609854 is about 780.9314950750. The cubic root of 609854 is about 84.8024941417.

The spelling of 609854 in words is "six hundred nine thousand, eight hundred fifty-four".