194803680 has 96 divisors (see below), whose sum is σ = 649754784. Its totient is φ = 48889856.

The previous prime is 194803667. The next prime is 194803711. The reversal of 194803680 is 86308491.

It is a tau number, because it is divible by the number of its divisors (96).

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, 3777 + ... + 20096.

It is an arithmetic number, because the mean of its divisors is an integer number (6768279).

Almost surely, 2^194803680 is an apocalyptic number.

194803680 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 194803680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324877392).

194803680 is an abundant number, since it is smaller than the sum of its proper divisors (454951104).

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

194803680 is a wasteful number, since it uses less digits than its factorization.

194803680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23908 (or 23900 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 194803680 is about 13957.2088900324. The cubic root of 194803680 is about 579.6943296202.

The spelling of 194803680 in words is "one hundred ninety-four million, eight hundred three thousand, six hundred eighty".