84400536 has 32 divisors (see below), whose sum is σ = 230184000. Its totient is φ = 25575840.

The previous prime is 84400523. The next prime is 84400567. The reversal of 84400536 is 63500448.

It is a congruent number.

It is an unprimeable number.

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, 159586 + ... + 160113.

It is an arithmetic number, because the mean of its divisors is an integer number (7193250).

Almost surely, 2^84400536 is an apocalyptic number.

It is an amenable number.

84400536 is an abundant number, since it is smaller than the sum of its proper divisors (145783464).

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

84400536 is a wasteful number, since it uses less digits than its factorization.

84400536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319719 (or 319715 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 84400536 is about 9186.9764340614. The cubic root of 84400536 is about 438.6469038048.

The spelling of 84400536 in words is "eighty-four million, four hundred thousand, five hundred thirty-six".