194289004 has 72 divisors (see below), whose sum is σ = 437887520. Its totient is φ = 73446912.

The previous prime is 194289001. The next prime is 194289013. The reversal of 194289004 is 400982491.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (194289001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192052 + ... + 193060.

Almost surely, 2^194289004 is an apocalyptic number.

194289004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194289004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218943760).

194289004 is an abundant number, since it is smaller than the sum of its proper divisors (243598516).

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

194289004 is a wasteful number, since it uses less digits than its factorization.

194289004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 194289004 is about 13938.7590552387. The cubic root of 194289004 is about 579.1833572426.

The spelling of 194289004 in words is "one hundred ninety-four million, two hundred eighty-nine thousand, four".