842698 has 4 divisors (see below), whose sum is σ = 1264050. Its totient is φ = 421348.

The previous prime is 842657. The next prime is 842701. The reversal of 842698 is 896248.

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

It can be written as a sum of positive squares in only one way, i.e., 700569 + 142129 = 837^2 + 377^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210673 + ... + 210676.

2⁸⁴²⁶⁹⁸ is an apocalyptic number.

842698 is a deficient number, since it is larger than the sum of its proper divisors (421352).

842698 is a wasteful number, since it uses less digits than its factorization.

842698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421351.

The product of its digits is 27648, while the sum is 37.

The square root of 842698 is about 917.9858386707. The cubic root of 842698 is about 94.4547902033.

It can be divided in two parts, 842 and 698, that added together give a triangular number (1540 = T₅₅).

The spelling of 842698 in words is "eight hundred forty-two thousand, six hundred ninety-eight".