264620 has 24 divisors (see below), whose sum is σ = 565488. Its totient is φ = 104000.

The previous prime is 264619. The next prime is 264631. The reversal of 264620 is 26462.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 264592 and 264601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (23562).

2²⁶⁴⁶²⁰ is an apocalyptic number.

264620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264620 is an abundant number, since it is smaller than the sum of its proper divisors (300868).

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

264620 is a wasteful number, since it uses less digits than its factorization.

264620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 264620 is about 514.4122860119. The cubic root of 264620 is about 64.2008663101.

264620 divided by its sum of digits (20) gives a palindrome (13231).

The spelling of 264620 in words is "two hundred sixty-four thousand, six hundred twenty".