194887914 has 32 divisors (see below), whose sum is σ = 422985024. Its totient is φ = 59504640.

The previous prime is 194887909. The next prime is 194887919. The reversal of 194887914 is 419788491.

It is an interprime number because it is at equal distance from previous prime (194887909) and next prime (194887919).

It is not an unprimeable number, because it can be changed into a prime (194887919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682 + ... + 19754.

It is an arithmetic number, because the mean of its divisors is an integer number (13218282).

Almost surely, 2^194887914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194887914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211492512).

194887914 is an abundant number, since it is smaller than the sum of its proper divisors (228097110).

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

194887914 is a wasteful number, since it uses less digits than its factorization.

194887914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19222.

The product of its digits is 580608, while the sum is 51.

The square root of 194887914 is about 13960.2261443001. The cubic root of 194887914 is about 579.7778717377. Note that the first 3 decimals are identical.

The spelling of 194887914 in words is "one hundred ninety-four million, eight hundred eighty-seven thousand, nine hundred fourteen".