84289756 has 24 divisors (see below), whose sum is σ = 154344960. Its totient is φ = 40201392.

The previous prime is 84289729. The next prime is 84289759. The reversal of 84289756 is 65798248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84289759) 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, 39345 + ... + 41431.

It is an arithmetic number, because the mean of its divisors is an integer number (6431040).

Almost surely, 2^84289756 is an apocalyptic number.

It is an amenable number.

84289756 is a deficient number, since it is larger than the sum of its proper divisors (70055204).

84289756 is a wasteful number, since it uses less digits than its factorization.

84289756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2551 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 84289756 is about 9180.9452672369. The cubic root of 84289756 is about 438.4549043136.

The spelling of 84289756 in words is "eighty-four million, two hundred eighty-nine thousand, seven hundred fifty-six".