84204542 has 16 divisors (see below), whose sum is σ = 135786240. Its totient is φ = 39036888.

The previous prime is 84204539. The next prime is 84204581. The reversal of 84204542 is 24540248.

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, 21788 + ... + 25359.

It is an arithmetic number, because the mean of its divisors is an integer number (8486640).

Almost surely, 2^84204542 is an apocalyptic number.

84204542 is a deficient number, since it is larger than the sum of its proper divisors (51581698).

84204542 is a wasteful number, since it uses less digits than its factorization.

84204542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47215.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 84204542 is about 9176.3032861823. The cubic root of 84204542 is about 438.3071002949.

The spelling of 84204542 in words is "eighty-four million, two hundred four thousand, five hundred forty-two".