389042194 has 16 divisors (see below), whose sum is σ = 623790720. Its totient is φ = 181524640.

The previous prime is 389042191. The next prime is 389042209. The reversal of 389042194 is 491240983.

It is not an unprimeable number, because it can be changed into a prime (389042191) 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, 101254 + ... + 105025.

It is an arithmetic number, because the mean of its divisors is an integer number (38986920).

Almost surely, 2^389042194 is an apocalyptic number.

389042194 is a deficient number, since it is larger than the sum of its proper divisors (234748526).

389042194 is a wasteful number, since it uses less digits than its factorization.

389042194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206345.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 389042194 is about 19724.1525546727. The cubic root of 389042194 is about 730.0157587140.

The spelling of 389042194 in words is "three hundred eighty-nine million, forty-two thousand, one hundred ninety-four".