84000542 has 16 divisors (see below), whose sum is σ = 129772800. Its totient is φ = 40761240.

The previous prime is 84000533. The next prime is 84000551. The reversal of 84000542 is 24500048.

It is an interprime number because it is at equal distance from previous prime (84000533) and next prime (84000551).

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, 4817 + ... + 13827.

It is an arithmetic number, because the mean of its divisors is an integer number (8110800).

Almost surely, 2^84000542 is an apocalyptic number.

84000542 is a deficient number, since it is larger than the sum of its proper divisors (45772258).

84000542 is a wasteful number, since it uses less digits than its factorization.

84000542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9151.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 84000542 is about 9165.1809583881. The cubic root of 84000542 is about 437.9528559310.

The spelling of 84000542 in words is "eighty-four million, five hundred forty-two", and thus it is an aban number.