84194442 has 24 divisors (see below), whose sum is σ = 183193920. Its totient is φ = 27945960.

The previous prime is 84194423. The next prime is 84194447. The reversal of 84194442 is 24449148.

It is a junction number, because it is equal to n+sod(n) for n = 84194397 and 84194406.

It is not an unprimeable number, because it can be changed into a prime (84194447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5484 + ... + 14087.

It is an arithmetic number, because the mean of its divisors is an integer number (7633080).

Almost surely, 2^84194442 is an apocalyptic number.

84194442 is an abundant number, since it is smaller than the sum of its proper divisors (98999478).

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

84194442 is a wasteful number, since it uses less digits than its factorization.

84194442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19818 (or 19815 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 84194442 is about 9175.7529391326. The cubic root of 84194442 is about 438.2895751962.

The spelling of 84194442 in words is "eighty-four million, one hundred ninety-four thousand, four hundred forty-two".