869345 has 8 divisors (see below), whose sum is σ = 1098240. Its totient is φ = 658800.

The previous prime is 869339. The next prime is 869369. The reversal of 869345 is 543968.

869345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-869345 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4481 + ... + 4670.

It is an arithmetic number, because the mean of its divisors is an integer number (137280).

2⁸⁶⁹³⁴⁵ is an apocalyptic number.

It is an amenable number.

869345 is a deficient number, since it is larger than the sum of its proper divisors (228895).

869345 is a wasteful number, since it uses less digits than its factorization.

869345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175.

The product of its digits is 25920, while the sum is 35.

The square root of 869345 is about 932.3867223422. The cubic root of 869345 is about 95.4400636314.

The spelling of 869345 in words is "eight hundred sixty-nine thousand, three hundred forty-five".