842953 has 4 divisors (see below), whose sum is σ = 846720. Its totient is φ = 839188.

The previous prime is 842951. The next prime is 842957. The reversal of 842953 is 359248.

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 842953 - 2¹ = 842951 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 1525 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

2⁸⁴²⁹⁵³ is an apocalyptic number.

It is an amenable number.

842953 is a deficient number, since it is larger than the sum of its proper divisors (3767).

842953 is a wasteful number, since it uses less digits than its factorization.

842953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766.

The product of its digits is 8640, while the sum is 31.

The square root of 842953 is about 918.1247191967. The cubic root of 842953 is about 94.4643165668.

The spelling of 842953 in words is "eight hundred forty-two thousand, nine hundred fifty-three".