869259 has 8 divisors (see below), whose sum is σ = 1173312. Its totient is φ = 572360.

The previous prime is 869257. The next prime is 869273. The reversal of 869259 is 952968.

It is a happy number.

869259 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 cyclic number.

It is not a de Polignac number, because 869259 - 2¹ = 869257 is a prime.

It is a super-2 number, since 2×869259² = 1511222418162, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8⁶ + 6³ + 2¹⁴ + 9⁵ + 5² + 9⁶ .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (869251) 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, 1497 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (146664).

2⁸⁶⁹²⁵⁹ is an apocalyptic number.

869259 is a deficient number, since it is larger than the sum of its proper divisors (304053).

869259 is a wasteful number, since it uses less digits than its factorization.

869259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577.

The product of its digits is 38880, while the sum is 39.

The square root of 869259 is about 932.3406029987. The cubic root of 869259 is about 95.4369163898.

It can be divided in two parts, 869 and 259, that added together give a triangular number (1128 = T₄₇).

The spelling of 869259 in words is "eight hundred sixty-nine thousand, two hundred fifty-nine".