609455 has 16 divisors (see below), whose sum is σ = 912384. Its totient is φ = 379680.

The previous prime is 609443. The next prime is 609461. The reversal of 609455 is 554906.

It is not a de Polignac number, because 609455 - 2⁶ = 609391 is a prime.

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 609455.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 407 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (57024).

2⁶⁰⁹⁴⁵⁵ is an apocalyptic number.

609455 is a deficient number, since it is larger than the sum of its proper divisors (302929).

609455 is a wasteful number, since it uses less digits than its factorization.

609455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 609455 is about 780.6759891274. The cubic root of 609455 is about 84.7839959563.

The spelling of 609455 in words is "six hundred nine thousand, four hundred fifty-five".