189794004 has 12 divisors (see below), whose sum is σ = 442852704. Its totient is φ = 63264664.

The previous prime is 189793993. The next prime is 189794023. The reversal of 189794004 is 400497981.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7908072 + ... + 7908095.

It is an arithmetic number, because the mean of its divisors is an integer number (36904392).

Almost surely, 2^189794004 is an apocalyptic number.

It is an amenable number.

189794004 is an abundant number, since it is smaller than the sum of its proper divisors (253058700).

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

189794004 is a wasteful number, since it uses less digits than its factorization.

189794004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816174 (or 15816172 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 189794004 is about 13776.5744653742. The cubic root of 189794004 is about 574.6818696411.

The spelling of 189794004 in words is "one hundred eighty-nine million, seven hundred ninety-four thousand, four".