84870269 has 8 divisors (see below), whose sum is σ = 95778720. Its totient is φ = 74494000.

The previous prime is 84870259. The next prime is 84870271. The reversal of 84870269 is 96207848.

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 84870269 - 2²⁰ = 83821693 is a prime.

It is a super-2 number, since 2×84870269² = 14405925120264722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84870259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132707 + ... + 133344.

It is an arithmetic number, because the mean of its divisors is an integer number (11972340).

Almost surely, 2^84870269 is an apocalyptic number.

It is an amenable number.

84870269 is a deficient number, since it is larger than the sum of its proper divisors (10908451).

84870269 is a wasteful number, since it uses less digits than its factorization.

84870269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266091.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 84870269 is about 9212.5061194010. The cubic root of 84870269 is about 439.4591650395.

It can be divided in two parts, 848 and 70269, that added together give a palindrome (71117).

The spelling of 84870269 in words is "eighty-four million, eight hundred seventy thousand, two hundred sixty-nine".