84239284 has 24 divisors (see below), whose sum is σ = 156505608. Its totient is φ = 39536640.

The previous prime is 84239251. The next prime is 84239327. The reversal of 84239284 is 48293248.

It can be written as a sum of positive squares in 4 ways, for example, as 9796900 + 74442384 = 3130^2 + 8628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28014 + ... + 30874.

It is an arithmetic number, because the mean of its divisors is an integer number (6521067).

Almost surely, 2^84239284 is an apocalyptic number.

It is an amenable number.

84239284 is a deficient number, since it is larger than the sum of its proper divisors (72266324).

84239284 is a wasteful number, since it uses less digits than its factorization.

84239284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315 (or 3313 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 84239284 is about 9178.1961190639. The cubic root of 84239284 is about 438.3673724652.

The spelling of 84239284 in words is "eighty-four million, two hundred thirty-nine thousand, two hundred eighty-four".