842901 has 4 divisors (see below), whose sum is σ = 1123872. Its totient is φ = 561932.

The previous prime is 842887. The next prime is 842923. The reversal of 842901 is 109248.

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 842901 - 2⁵ = 842869 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842901.

It is not an unprimeable number, because it can be changed into a prime (842951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140481 + ... + 140486.

It is an arithmetic number, because the mean of its divisors is an integer number (280968).

2⁸⁴²⁹⁰¹ is an apocalyptic number.

It is an amenable number.

842901 is a deficient number, since it is larger than the sum of its proper divisors (280971).

842901 is a wasteful number, since it uses less digits than its factorization.

842901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280970.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 842901 is about 918.0964001672. The cubic root of 842901 is about 94.4623740918.

The spelling of 842901 in words is "eight hundred forty-two thousand, nine hundred one".