84338287 has 16 divisors (see below), whose sum is σ = 94113792. Its totient is φ = 74934720.

The previous prime is 84338279. The next prime is 84338297. The reversal of 84338287 is 78283348.

It is a cyclic number.

It is not a de Polignac number, because 84338287 - 2³ = 84338279 is a prime.

It is a super-2 number, since 2×84338287² = 14225893308188738, 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 (84338297) 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, 101568 + ... + 102394.

It is an arithmetic number, because the mean of its divisors is an integer number (5882112).

Almost surely, 2^84338287 is an apocalyptic number.

84338287 is a deficient number, since it is larger than the sum of its proper divisors (9775505).

84338287 is a wasteful number, since it uses less digits than its factorization.

84338287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its digits is 258048, while the sum is 43.

The square root of 84338287 is about 9183.5879154065. The cubic root of 84338287 is about 438.5390370064.

The spelling of 84338287 in words is "eighty-four million, three hundred thirty-eight thousand, two hundred eighty-seven".