194938500 has 48 divisors (see below), whose sum is σ = 567665280. Its totient is φ = 51983200.

The previous prime is 194938489. The next prime is 194938511. The reversal of 194938500 is 5839491.

It is an interprime number because it is at equal distance from previous prime (194938489) and next prime (194938511).

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 15 ways as a sum of consecutive naturals, for example, 63480 + ... + 66479.

It is an arithmetic number, because the mean of its divisors is an integer number (11826360).

Almost surely, 2^194938500 is an apocalyptic number.

194938500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194938500 is an abundant number, since it is smaller than the sum of its proper divisors (372726780).

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

194938500 is a wasteful number, since it uses less digits than its factorization.

194938500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129981 (or 129969 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 194938500 is about 13962.0378168805. The cubic root of 194938500 is about 579.8280306652.

The spelling of 194938500 in words is "one hundred ninety-four million, nine hundred thirty-eight thousand, five hundred".