609546 has 32 divisors (see below), whose sum is σ = 1456128. Its totient is φ = 166320.

The previous prime is 609541. The next prime is 609571. The reversal of 609546 is 645906.

It is a super-2 number, since 2×609546² = 743092652232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609541) by changing a digit.

609546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (45504).

2⁶⁰⁹⁵⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728064).

609546 is an abundant number, since it is smaller than the sum of its proper divisors (846582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609546 is a wasteful number, since it uses less digits than its factorization.

609546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 609546 is about 780.7342697743. The cubic root of 609546 is about 84.7882155512.

The spelling of 609546 in words is "six hundred nine thousand, five hundred forty-six".