869429 has 4 divisors (see below), whose sum is σ = 948480. Its totient is φ = 790380.

The previous prime is 869419. The next prime is 869437. The reversal of 869429 is 924968.

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 869429 - 2⁴ = 869413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869392 and 869401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39509 + ... + 39530.

It is an arithmetic number, because the mean of its divisors is an integer number (237120).

2⁸⁶⁹⁴²⁹ is an apocalyptic number.

It is an amenable number.

869429 is a deficient number, since it is larger than the sum of its proper divisors (79051).

869429 is a wasteful number, since it uses less digits than its factorization.

869429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79050.

The product of its digits is 31104, while the sum is 38.

The square root of 869429 is about 932.4317669406. The cubic root of 869429 is about 95.4431374809.

The spelling of 869429 in words is "eight hundred sixty-nine thousand, four hundred twenty-nine".