194032100 has 36 divisors (see below), whose sum is σ = 434638848. Its totient is φ = 75108000.

The previous prime is 194032051. The next prime is 194032151. The reversal of 194032100 is 1230491.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28196 + ... + 34395.

Almost surely, 2^194032100 is an apocalyptic number.

194032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194032100 is an abundant number, since it is smaller than the sum of its proper divisors (240606748).

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

194032100 is a wasteful number, since it uses less digits than its factorization.

194032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62636 (or 62629 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 194032100 is about 13929.5405523657. The cubic root of 194032100 is about 578.9279642474.

Adding to 194032100 its reverse (1230491), we get a palindrome (195262591).

The spelling of 194032100 in words is "one hundred ninety-four million, thirty-two thousand, one hundred".