262866 has 16 divisors (see below), whose sum is σ = 530784. Its totient is φ = 86784.

The previous prime is 262853. The next prime is 262877. The reversal of 262866 is 668262.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (33174).

2²⁶²⁸⁶⁶ is an apocalyptic number.

262866 is an abundant number, since it is smaller than the sum of its proper divisors (267918).

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

262866 is a wasteful number, since it uses less digits than its factorization.

262866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its digits is 6912, while the sum is 30.

The square root of 262866 is about 512.7045933089. The cubic root of 262866 is about 64.0587026502.

It can be divided in two parts, 262 and 866, that added together give a triangular number (1128 = T₄₇).

The spelling of 262866 in words is "two hundred sixty-two thousand, eight hundred sixty-six".