262864 has 20 divisors (see below), whose sum is σ = 582304. Its totient is φ = 112608.

The previous prime is 262853. The next prime is 262877. The reversal of 262864 is 468262.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 2⁷ + 6² + 8 + 2⁹ + 6² + 4⁹ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062 + ... + 1285.

2²⁶²⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

262864 is an abundant number, since it is smaller than the sum of its proper divisors (319440).

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

262864 is a wasteful number, since it uses less digits than its factorization.

262864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2356 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 262864 is about 512.7026428643. The cubic root of 262864 is about 64.0585401875.

The spelling of 262864 in words is "two hundred sixty-two thousand, eight hundred sixty-four".