84039524 has 12 divisors (see below), whose sum is σ = 147134064. Its totient is φ = 42001224.

The previous prime is 84039523. The next prime is 84039547. The reversal of 84039524 is 42593048.

It is not an unprimeable number, because it can be changed into a prime (84039521) 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 3 ways as a sum of consecutive naturals, for example, 13127 + ... + 18449.

It is an arithmetic number, because the mean of its divisors is an integer number (12261172).

Almost surely, 2^84039524 is an apocalyptic number.

It is an amenable number.

84039524 is a deficient number, since it is larger than the sum of its proper divisors (63094540).

84039524 is a wasteful number, since it uses less digits than its factorization.

84039524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274 (or 9272 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 84039524 is about 9167.3073473076. The cubic root of 84039524 is about 438.0205921527.

The spelling of 84039524 in words is "eighty-four million, thirty-nine thousand, five hundred twenty-four".