194009300 has 36 divisors (see below), whose sum is σ = 422694300. Its totient is φ = 77291520.

The previous prime is 194009281. The next prime is 194009311. The reversal of 194009300 is 3900491.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 25684624 + 168324676 = 5068^2 + 12974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194009300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21926 + ... + 29474.

Almost surely, 2^194009300 is an apocalyptic number.

194009300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194009300 is an abundant number, since it is smaller than the sum of its proper divisors (228685000).

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

194009300 is a wasteful number, since it uses less digits than its factorization.

194009300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820 (or 7813 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 194009300 is about 13928.7221237269. The cubic root of 194009300 is about 578.9052874590.

Adding to 194009300 its reverse (3900491), we get a palindrome (197909791).

The spelling of 194009300 in words is "one hundred ninety-four million, nine thousand, three hundred".