862642 has 16 divisors (see below), whose sum is σ = 1428192. Its totient is φ = 387520.

The previous prime is 862633. The next prime is 862649. The reversal of 862642 is 246268.

862642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 862642 parts by 1313 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 862642.

It is not an unprimeable number, because it can be changed into a prime (862649) by changing a digit.

862642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (89262).

2⁸⁶²⁶⁴² is an apocalyptic number.

862642 is a deficient number, since it is larger than the sum of its proper divisors (565550).

862642 is a wasteful number, since it uses less digits than its factorization.

862642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

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

The square root of 862642 is about 928.7852281340. The cubic root of 862642 is about 95.1941367055.

It can be divided in two parts, 8626 and 42, that added together give a palindrome (8668).

The spelling of 862642 in words is "eight hundred sixty-two thousand, six hundred forty-two".