194400398 has 16 divisors (see below), whose sum is σ = 306774000. Its totient is φ = 92256192.

The previous prime is 194400379. The next prime is 194400403. The reversal of 194400398 is 893004491.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24983 + ... + 31826.

It is an arithmetic number, because the mean of its divisors is an integer number (19173375).

Almost surely, 2^194400398 is an apocalyptic number.

194400398 is a deficient number, since it is larger than the sum of its proper divisors (112373602).

194400398 is a wasteful number, since it uses less digits than its factorization.

194400398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56899.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 194400398 is about 13942.7543190002. The cubic root of 194400398 is about 579.2940260972.

The spelling of 194400398 in words is "one hundred ninety-four million, four hundred thousand, three hundred ninety-eight".