84291286 has 16 divisors (see below), whose sum is σ = 128123424. Its totient is φ = 41586624.

The previous prime is 84291281. The next prime is 84291299. The reversal of 84291286 is 68219248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84291281) 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, 76290 + ... + 77386.

It is an arithmetic number, because the mean of its divisors is an integer number (8007714).

Almost surely, 2^84291286 is an apocalyptic number.

84291286 is a deficient number, since it is larger than the sum of its proper divisors (43832138).

84291286 is a wasteful number, since it uses less digits than its factorization.

84291286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its digits is 55296, while the sum is 40.

The square root of 84291286 is about 9181.0285916122. The cubic root of 84291286 is about 438.4575571941.

The spelling of 84291286 in words is "eighty-four million, two hundred ninety-one thousand, two hundred eighty-six".