869493 has 8 divisors (see below), whose sum is σ = 1170400. Its totient is φ = 574128.

The previous prime is 869489. The next prime is 869501. The reversal of 869493 is 394968.

869493 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 not a de Polignac number, because 869493 - 2² = 869489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869413) 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, 1003 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (146300).

2⁸⁶⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

869493 is a deficient number, since it is larger than the sum of its proper divisors (300907).

869493 is a wasteful number, since it uses less digits than its factorization.

869493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

The product of its digits is 46656, while the sum is 39.

The square root of 869493 is about 932.4660851741. The cubic root of 869493 is about 95.4454793286.

The spelling of 869493 in words is "eight hundred sixty-nine thousand, four hundred ninety-three".