264546 has 40 divisors (see below), whose sum is σ = 627264. Its totient is φ = 83160.

The previous prime is 264529. The next prime is 264553. The reversal of 264546 is 645462.

It is a happy number.

It is a super-2 number, since 2×264546² = 139969172232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3691 + ... + 3761.

2²⁶⁴⁵⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313632).

264546 is an abundant number, since it is smaller than the sum of its proper divisors (362718).

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

264546 is a wasteful number, since it uses less digits than its factorization.

264546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 99 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 264546 is about 514.3403542403. The cubic root of 264546 is about 64.1948812409.

The spelling of 264546 in words is "two hundred sixty-four thousand, five hundred forty-six".