869242 has 8 divisors (see below), whose sum is σ = 1422432. Its totient is φ = 395100.

The previous prime is 869233. The next prime is 869249. The reversal of 869242 is 242968.

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

It is not an unprimeable number, because it can be changed into a prime (869249) 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, 19734 + ... + 19777.

It is an arithmetic number, because the mean of its divisors is an integer number (177804).

2⁸⁶⁹²⁴² is an apocalyptic number.

869242 is a deficient number, since it is larger than the sum of its proper divisors (553190).

869242 is a wasteful number, since it uses less digits than its factorization.

869242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39524.

The product of its digits is 6912, while the sum is 31.

The square root of 869242 is about 932.3314861142. The cubic root of 869242 is about 95.4362942361.

It can be divided in two parts, 869 and 242, that added together give a palindrome (1111).

The spelling of 869242 in words is "eight hundred sixty-nine thousand, two hundred forty-two".