194299938 has 32 divisors (see below), whose sum is σ = 493461120. Its totient is φ = 55514160.

The previous prime is 194299877. The next prime is 194299951. The reversal of 194299938 is 839992491.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256633 + ... + 257388.

It is an arithmetic number, because the mean of its divisors is an integer number (15420660).

Almost surely, 2^194299938 is an apocalyptic number.

194299938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

194299938 is an abundant number, since it is smaller than the sum of its proper divisors (299161182).

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

194299938 is a wasteful number, since it uses less digits than its factorization.

194299938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514039 (or 514033 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 194299938 is about 13939.1512654107. The cubic root of 194299938 is about 579.1942219371.

The spelling of 194299938 in words is "one hundred ninety-four million, two hundred ninety-nine thousand, nine hundred thirty-eight".