84804542 has 16 divisors (see below), whose sum is σ = 133639200. Its totient is φ = 40283232.

The previous prime is 84804541. The next prime is 84804563. The reversal of 84804542 is 24540848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84804541) 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, 668 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (8352450).

Almost surely, 2^84804542 is an apocalyptic number.

84804542 is a deficient number, since it is larger than the sum of its proper divisors (48834658).

84804542 is a wasteful number, since it uses less digits than its factorization.

84804542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547.

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 84804542 is about 9208.9381581157. The cubic root of 84804542 is about 439.3456907040.

The spelling of 84804542 in words is "eighty-four million, eight hundred four thousand, five hundred forty-two".