84489042 has 32 divisors (see below), whose sum is σ = 185243904. Its totient is φ = 25477200.

The previous prime is 84489017. The next prime is 84489047. The reversal of 84489042 is 24098448.

It is not an unprimeable number, because it can be changed into a prime (84489047) 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 15 ways as a sum of consecutive naturals, for example, 10893 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (5788872).

Almost surely, 2^84489042 is an apocalyptic number.

84489042 is an abundant number, since it is smaller than the sum of its proper divisors (100754862).

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

84489042 is a wasteful number, since it uses less digits than its factorization.

84489042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 84489042 is about 9191.7920994766. The cubic root of 84489042 is about 438.8001781882.

It can be divided in two parts, 844 and 89042, that multiplied together give a cube (75151448 = 422³).

The spelling of 84489042 in words is "eighty-four million, four hundred eighty-nine thousand, forty-two".