194242800 has 60 divisors (see below), whose sum is σ = 622228280. Its totient is φ = 51797760.

The previous prime is 194242793. The next prime is 194242813. The reversal of 194242800 is 8242491.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 79735 + ... + 82134.

Almost surely, 2^194242800 is an apocalyptic number.

194242800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194242800 is an abundant number, since it is smaller than the sum of its proper divisors (427985480).

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

194242800 is a wasteful number, since it uses less digits than its factorization.

194242800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161890 (or 161879 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 194242800 is about 13937.1015638116. The cubic root of 194242800 is about 579.1374416068.

The spelling of 194242800 in words is "one hundred ninety-four million, two hundred forty-two thousand, eight hundred".