842469 has 8 divisors (see below), whose sum is σ = 1189440. Its totient is φ = 528576.

The previous prime is 842449. The next prime is 842473. The reversal of 842469 is 964248.

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

It is not a de Polignac number, because 842469 - 2⁷ = 842341 is a prime.

It is a super-2 number, since 2×842469² = 1419508031922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8209 + ... + 8310.

It is an arithmetic number, because the mean of its divisors is an integer number (148680).

2⁸⁴²⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

842469 is a deficient number, since it is larger than the sum of its proper divisors (346971).

842469 is a wasteful number, since it uses less digits than its factorization.

842469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16539.

The product of its digits is 13824, while the sum is 33.

The square root of 842469 is about 917.8611006029. The cubic root of 842469 is about 94.4462335173.

It can be divided in two parts, 84246 and 9, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 842469 in words is "eight hundred forty-two thousand, four hundred sixty-nine".