545946 has 16 divisors (see below), whose sum is σ = 1149600. Its totient is φ = 172368.

The previous prime is 545939. The next prime is 545947. The reversal of 545946 is 649545.

It is not an unprimeable number, because it can be changed into a prime (545947) 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, 2281 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (71850).

2⁵⁴⁵⁹⁴⁶ is an apocalyptic number.

545946 is an abundant number, since it is smaller than the sum of its proper divisors (603654).

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

545946 is a wasteful number, since it uses less digits than its factorization.

545946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813.

The product of its digits is 21600, while the sum is 33.

The square root of 545946 is about 738.8815872655. The cubic root of 545946 is about 81.7303256716.

The spelling of 545946 in words is "five hundred forty-five thousand, nine hundred forty-six".