84089442 has 16 divisors (see below), whose sum is σ = 172281312. Its totient is φ = 27346080.

The previous prime is 84089441. The next prime is 84089461. The reversal of 84089442 is 24498048.

It is a self number, because there is not a number n which added to its sum of digits gives 84089442.

It is not an unprimeable number, because it can be changed into a prime (84089441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170668 + ... + 171159.

It is an arithmetic number, because the mean of its divisors is an integer number (10767582).

Almost surely, 2^84089442 is an apocalyptic number.

84089442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

84089442 is an abundant number, since it is smaller than the sum of its proper divisors (88191870).

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

84089442 is a wasteful number, since it uses less digits than its factorization.

84089442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341873.

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

The square root of 84089442 is about 9170.0295528422. The cubic root of 84089442 is about 438.1073004979.

The spelling of 84089442 in words is "eighty-four million, eighty-nine thousand, four hundred forty-two".