84289356 has 24 divisors (see below), whose sum is σ = 218528240. Its totient is φ = 28096416.

The previous prime is 84289351. The next prime is 84289363. The reversal of 84289356 is 65398248.

It is not an unprimeable number, because it can be changed into a prime (84289351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390121 + ... + 390336.

Almost surely, 2^84289356 is an apocalyptic number.

It is an amenable number.

84289356 is an abundant number, since it is smaller than the sum of its proper divisors (134238884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84289356 is a wasteful number, since it uses less digits than its factorization.

84289356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780470 (or 780462 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 84289356 is about 9180.9234829618. The cubic root of 84289356 is about 438.4542107448.

The spelling of 84289356 in words is "eighty-four million, two hundred eighty-nine thousand, three hundred fifty-six".