256802 has 32 divisors (see below), whose sum is σ = 508032. Its totient is φ = 94464.

The previous prime is 256801. The next prime is 256813. The reversal of 256802 is 208652.

It is a happy number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (256801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3053 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (15876).

2²⁵⁶⁸⁰² is an apocalyptic number.

256802 is a deficient number, since it is larger than the sum of its proper divisors (251230).

256802 is a wasteful number, since it uses less digits than its factorization.

256802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 256802 is about 506.7563517115. The cubic root of 256802 is about 63.5622800212.

It can be divided in two parts, 25680 and 2, that multiplied together give a triangular number (51360 = T₃₂₀).

The spelling of 256802 in words is "two hundred fifty-six thousand, eight hundred two".