842693 has 4 divisors (see below), whose sum is σ = 853440. Its totient is φ = 831948.

The previous prime is 842657. The next prime is 842701. The reversal of 842693 is 396248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 842693 - 2¹² = 838597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842623) 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, 5255 + ... + 5412.

It is an arithmetic number, because the mean of its divisors is an integer number (213360).

2⁸⁴²⁶⁹³ is an apocalyptic number.

It is an amenable number.

842693 is a deficient number, since it is larger than the sum of its proper divisors (10747).

842693 is a wasteful number, since it uses less digits than its factorization.

842693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746.

The product of its digits is 10368, while the sum is 32.

The square root of 842693 is about 917.9831153131. The cubic root of 842693 is about 94.4546033927.

The spelling of 842693 in words is "eight hundred forty-two thousand, six hundred ninety-three".