84426042 has 16 divisors (see below), whose sum is σ = 169512192. Its totient is φ = 28032000.

The previous prime is 84426037. The next prime is 84426049. The reversal of 84426042 is 24062448.

It is not an unprimeable number, because it can be changed into a prime (84426049) 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, 25834 + ... + 28917.

It is an arithmetic number, because the mean of its divisors is an integer number (10594512).

Almost surely, 2^84426042 is an apocalyptic number.

84426042 is an abundant number, since it is smaller than the sum of its proper divisors (85086150).

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

84426042 is a wasteful number, since it uses less digits than its factorization.

84426042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55013.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 84426042 is about 9188.3644899405. The cubic root of 84426042 is about 438.6910859930.

The spelling of 84426042 in words is "eighty-four million, four hundred twenty-six thousand, forty-two".