194698980 has 72 divisors (see below), whose sum is σ = 674960832. Its totient is φ = 44502336.

The previous prime is 194698967. The next prime is 194698991. The reversal of 194698980 is 89896491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76002 + ... + 78521.

It is an arithmetic number, because the mean of its divisors is an integer number (9374456).

Almost surely, 2^194698980 is an apocalyptic number.

194698980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194698980 is an abundant number, since it is smaller than the sum of its proper divisors (480261852).

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

194698980 is a wasteful number, since it uses less digits than its factorization.

194698980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154545 (or 154540 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 194698980 is about 13953.4576360127. The cubic root of 194698980 is about 579.5904560295.

The spelling of 194698980 in words is "one hundred ninety-four million, six hundred ninety-eight thousand, nine hundred eighty".