869483169 has 9 divisors (see below), whose sum is σ = 1256047923. Its totient is φ = 579596472.

The previous prime is 869483161. The next prime is 869483231. The reversal of 869483169 is 961384968.

The square root of 869483169 is 29487.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 791690769 + 77792400 = 28137^2 + 8820^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 869483169 - 2³ = 869483161 is a prime.

It is a super-2 number, since 2×869483169² = 1512001962348565122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (869483161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 83547 + ... + 93375.

Almost surely, 2^869483169 is an apocalyptic number.

869483169 is the 29487-th square number.

869483169 is the 14744-th centered octagonal number.

It is an amenable number.

869483169 is a deficient number, since it is larger than the sum of its proper divisors (386564754).

869483169 is an frugal number, since it uses more digits than its factorization.

869483169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19664 (or 9832 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The cubic root of 869483169 is about 954.4511960630.

The spelling of 869483169 in words is "eight hundred sixty-nine million, four hundred eighty-three thousand, one hundred sixty-nine".