842997 has 8 divisors (see below), whose sum is σ = 1128256. Its totient is φ = 559872.

The previous prime is 842993. The next prime is 843043. The reversal of 842997 is 799248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 842997 - 2² = 842993 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 (842993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (141032).

2⁸⁴²⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

842997 is a deficient number, since it is larger than the sum of its proper divisors (285259).

842997 is a wasteful number, since it uses less digits than its factorization.

842997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its digits is 36288, while the sum is 39.

The square root of 842997 is about 918.1486807702. The cubic root of 842997 is about 94.4659601372.

It can be divided in two parts, 84 and 2997, that added together give a triangular number (3081 = T₇₈).

The spelling of 842997 in words is "eight hundred forty-two thousand, nine hundred ninety-seven".