842662 has 4 divisors (see below), whose sum is σ = 1263996. Its totient is φ = 421330.

The previous prime is 842657. The next prime is 842701. The reversal of 842662 is 266248.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 842662.

It is a congruent number.

It is an unprimeable number.

842662 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 as a sum of consecutive naturals, namely, 210664 + ... + 210667.

It is an arithmetic number, because the mean of its divisors is an integer number (315999).

2⁸⁴²⁶⁶² is an apocalyptic number.

842662 is a deficient number, since it is larger than the sum of its proper divisors (421334).

842662 is a wasteful number, since it uses less digits than its factorization.

842662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421333.

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

The square root of 842662 is about 917.9662303157. The cubic root of 842662 is about 94.4534451501.

The spelling of 842662 in words is "eight hundred forty-two thousand, six hundred sixty-two".