842769 has 12 divisors (see below), whose sum is σ = 1259700. Its totient is φ = 542304.

The previous prime is 842767. The next prime is 842771. The reversal of 842769 is 967248.

It is an interprime number because it is at equal distance from previous prime (842767) and next prime (842771).

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 497025 = 588^2 + 705^2 .

It is not a de Polignac number, because 842769 - 2¹ = 842767 is a prime.

It is a super-2 number, since 2×842769² = 1420519174722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (842767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1354 + ... + 1875.

It is an arithmetic number, because the mean of its divisors is an integer number (104975).

2⁸⁴²⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

842769 is a deficient number, since it is larger than the sum of its proper divisors (416931).

842769 is a wasteful number, since it uses less digits than its factorization.

842769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264 (or 3261 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 842769 is about 918.0245094767. The cubic root of 842769 is about 94.4574428348.

The spelling of 842769 in words is "eight hundred forty-two thousand, seven hundred sixty-nine".