194000490 has 48 divisors (see below), whose sum is σ = 515144448. Its totient is φ = 50631648.

The previous prime is 194000473. The next prime is 194000491. The reversal of 194000490 is 94000491.

It is not an unprimeable number, because it can be changed into a prime (194000491) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18702 + ... + 27161.

It is an arithmetic number, because the mean of its divisors is an integer number (10732176).

Almost surely, 2^194000490 is an apocalyptic number.

194000490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194000490 is an abundant number, since it is smaller than the sum of its proper divisors (321143958).

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

194000490 is a wasteful number, since it uses less digits than its factorization.

194000490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45923 (or 45920 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 194000490 is about 13928.4058671479. The cubic root of 194000490 is about 578.8965245925.

Subtracting from 194000490 its reverse (94000491), we obtain a palindrome (99999999).

The spelling of 194000490 in words is "one hundred ninety-four million, four hundred ninety", and thus it is an aban number.