194042084 has 12 divisors (see below), whose sum is σ = 339671724. Its totient is φ = 96993024.

The previous prime is 194042083. The next prime is 194042137. The reversal of 194042084 is 480240491.

It can be written as a sum of positive squares in 2 ways, for example, as 192654400 + 1387684 = 13880^2 + 1178^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194042084.

It is not an unprimeable number, because it can be changed into a prime (194042081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21152 + ... + 28904.

It is an arithmetic number, because the mean of its divisors is an integer number (28305977).

Almost surely, 2^194042084 is an apocalyptic number.

It is an amenable number.

194042084 is a deficient number, since it is larger than the sum of its proper divisors (145629640).

194042084 is a wasteful number, since it uses less digits than its factorization.

194042084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014 (or 14012 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 194042084 is about 13929.8989228207. The cubic root of 194042084 is about 578.9378937345.

The spelling of 194042084 in words is "one hundred ninety-four million, forty-two thousand, eighty-four".