84969 has 10 divisors (see below), whose sum is σ = 127050. Its totient is φ = 56592.

The previous prime is 84967. The next prime is 84977. The reversal of 84969 is 96948.

It can be written as a sum of positive squares in only one way, i.e., 82944 + 2025 = 288^2 + 45^2 .

It is not a de Polignac number, because 84969 - 2¹ = 84967 is a prime.

It is a super-2 number, since 2×84969² = 14439461922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84961) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 444 + ... + 605.

It is an arithmetic number, because the mean of its divisors is an integer number (12705).

2⁸⁴⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

84969 is a deficient number, since it is larger than the sum of its proper divisors (42081).

84969 is a wasteful number, since it uses less digits than its factorization.

84969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1052 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 84969 is about 291.4944253326. The cubic root of 84969 is about 43.9629509062.

The spelling of 84969 in words is "eighty-four thousand, nine hundred sixty-nine".