194916620 has 12 divisors (see below), whose sum is σ = 409324944. Its totient is φ = 77966640.

The previous prime is 194916607. The next prime is 194916641. The reversal of 194916620 is 26619491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4872896 + ... + 4872935.

It is an arithmetic number, because the mean of its divisors is an integer number (34110412).

Almost surely, 2^194916620 is an apocalyptic number.

194916620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194916620 is an abundant number, since it is smaller than the sum of its proper divisors (214408324).

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

194916620 is a wasteful number, since it uses less digits than its factorization.

194916620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9745840 (or 9745838 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 194916620 is about 13961.2542416504. The cubic root of 194916620 is about 579.8063364522.

The spelling of 194916620 in words is "one hundred ninety-four million, nine hundred sixteen thousand, six hundred twenty".