262830 has 16 divisors (see below), whose sum is σ = 630864. Its totient is φ = 70080.

The previous prime is 262819. The next prime is 262853. The reversal of 262830 is 38262.

262830 is nontrivially palindromic in base 13.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 262797 and 262806.

It is a congruent number.

It is an unprimeable number.

262830 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 4351 + ... + 4410.

It is an arithmetic number, because the mean of its divisors is an integer number (39429).

2²⁶²⁸³⁰ is an apocalyptic number.

262830 is an abundant number, since it is smaller than the sum of its proper divisors (368034).

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

262830 is a wasteful number, since it uses less digits than its factorization.

262830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 262830 is about 512.6694841708. The cubic root of 262830 is about 64.0557781962.

The spelling of 262830 in words is "two hundred sixty-two thousand, eight hundred thirty".