84214569 has 16 divisors (see below), whose sum is σ = 120950784. Its totient is φ = 51968400.

The previous prime is 84214567. The next prime is 84214609. The reversal of 84214569 is 96541248.

It is not a de Polignac number, because 84214569 - 2¹ = 84214567 is a prime.

It is a super-2 number, since 2×84214569² = 14184187263711522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84214561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17547 + ... + 21824.

It is an arithmetic number, because the mean of its divisors is an integer number (7559424).

Almost surely, 2^84214569 is an apocalyptic number.

It is an amenable number.

84214569 is a deficient number, since it is larger than the sum of its proper divisors (36736215).

84214569 is a wasteful number, since it uses less digits than its factorization.

84214569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39428.

The product of its digits is 69120, while the sum is 39.

The square root of 84214569 is about 9176.8496228281. The cubic root of 84214569 is about 438.3244973408.

The spelling of 84214569 in words is "eighty-four million, two hundred fourteen thousand, five hundred sixty-nine".