194994086 has 32 divisors (see below), whose sum is σ = 347086080. Its totient is φ = 80388000.

The previous prime is 194994083. The next prime is 194994101. The reversal of 194994086 is 680499491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194994083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133661 + ... + 135111.

It is an arithmetic number, because the mean of its divisors is an integer number (10846440).

Almost surely, 2^194994086 is an apocalyptic number.

194994086 is a deficient number, since it is larger than the sum of its proper divisors (152091994).

194994086 is a wasteful number, since it uses less digits than its factorization.

194994086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 194994086 is about 13964.0282869951. The cubic root of 194994086 is about 579.8831373748.

The spelling of 194994086 in words is "one hundred ninety-four million, nine hundred ninety-four thousand, eighty-six".