869473 has 4 divisors (see below), whose sum is σ = 948528. Its totient is φ = 790420.

The previous prime is 869471. The next prime is 869489. The reversal of 869473 is 374968.

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 869473 - 2¹ = 869471 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 6² + 4 + 9⁴ + 7⁷ + 3⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869471) 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, 39511 + ... + 39532.

It is an arithmetic number, because the mean of its divisors is an integer number (237132).

2⁸⁶⁹⁴⁷³ is an apocalyptic number.

It is an amenable number.

869473 is a deficient number, since it is larger than the sum of its proper divisors (79055).

869473 is a wasteful number, since it uses less digits than its factorization.

869473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79054.

The product of its digits is 36288, while the sum is 37.

The square root of 869473 is about 932.4553608618. The cubic root of 869473 is about 95.4447475135. Note that the first 3 decimals are identical.

It can be divided in two parts, 86 and 9473, that added together give a palindrome (9559).

The spelling of 869473 in words is "eight hundred sixty-nine thousand, four hundred seventy-three".