194006680 has 144 divisors (see below), whose sum is σ = 529785360. Its totient is φ = 63745920.

The previous prime is 194006641. The next prime is 194006707. The reversal of 194006680 is 86600491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1883509 + ... + 1883611.

It is an arithmetic number, because the mean of its divisors is an integer number (3679065).

Almost surely, 2^194006680 is an apocalyptic number.

194006680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194006680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264892680).

194006680 is an abundant number, since it is smaller than the sum of its proper divisors (335778680).

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

194006680 is a wasteful number, since it uses less digits than its factorization.

194006680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 194006680 is about 13928.6280731449. The cubic root of 194006680 is about 578.9026815037.

The spelling of 194006680 in words is "one hundred ninety-four million, six thousand, six hundred eighty".