194399998 has 32 divisors (see below), whose sum is σ = 341518464. Its totient is φ = 82156032.

The previous prime is 194399987. The next prime is 194400023. The reversal of 194399998 is 899993491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10411 + ... + 22297.

It is an arithmetic number, because the mean of its divisors is an integer number (10672452).

Almost surely, 2^194399998 is an apocalyptic number.

194399998 is a deficient number, since it is larger than the sum of its proper divisors (147118466).

194399998 is a wasteful number, since it uses less digits than its factorization.

194399998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956.

The product of its digits is 5668704, while the sum is 61.

The square root of 194399998 is about 13942.7399746248. The cubic root of 194399998 is about 579.2936287768.

The spelling of 194399998 in words is "one hundred ninety-four million, three hundred ninety-nine thousand, nine hundred ninety-eight".