662842 has 8 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 320700.

The previous prime is 662839. The next prime is 662843. The reversal of 662842 is 248266.

662842 is nontrivially palindromic in base 3 and base 9.

662842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 662842.

It is not an unprimeable number, because it can be changed into a prime (662843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5284 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (128304).

2⁶⁶²⁸⁴² is an apocalyptic number.

662842 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

662842 is a deficient number, since it is larger than the sum of its proper divisors (363590).

662842 is a wasteful number, since it uses less digits than its factorization.

662842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10724.

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

The square root of 662842 is about 814.1510916286. The cubic root of 662842 is about 87.1906682773.

It can be divided in two parts, 6628 and 42, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 662842 in words is "six hundred sixty-two thousand, eight hundred forty-two".