262278 has 20 divisors (see below), whose sum is σ = 588060. Its totient is φ = 87372.

The previous prime is 262271. The next prime is 262303. The reversal of 262278 is 872262.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262271) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 648 + ... + 971.

It is an arithmetic number, because the mean of its divisors is an integer number (29403).

2²⁶²²⁷⁸ is an apocalyptic number.

262278 is an abundant number, since it is smaller than the sum of its proper divisors (325782).

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

262278 is a wasteful number, since it uses less digits than its factorization.

262278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1624 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 262278 is about 512.1308426564. The cubic root of 262278 is about 64.0109030904.

It can be divided in two parts, 26 and 2278, that added together give a square (2304 = 48²).

The spelling of 262278 in words is "two hundred sixty-two thousand, two hundred seventy-eight".