194289460 has 12 divisors (see below), whose sum is σ = 408007908. Its totient is φ = 77715776.

The previous prime is 194289457. The next prime is 194289503. The reversal of 194289460 is 64982491.

It can be written as a sum of positive squares in 2 ways, for example, as 146458404 + 47831056 = 12102^2 + 6916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4857217 + ... + 4857256.

It is an arithmetic number, because the mean of its divisors is an integer number (34000659).

Almost surely, 2^194289460 is an apocalyptic number.

194289460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194289460 is an abundant number, since it is smaller than the sum of its proper divisors (213718448).

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

194289460 is a wasteful number, since it uses less digits than its factorization.

194289460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714482 (or 9714480 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 194289460 is about 13938.7754124959. The cubic root of 194289460 is about 579.1838103604.

The spelling of 194289460 in words is "one hundred ninety-four million, two hundred eighty-nine thousand, four hundred sixty".