194904490 has 48 divisors (see below), whose sum is σ = 406625184. Its totient is φ = 66694400.

The previous prime is 194904481. The next prime is 194904491. The reversal of 194904490 is 94409491.

It is not an unprimeable number, because it can be changed into a prime (194904491) 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, 28725 + ... + 34855.

It is an arithmetic number, because the mean of its divisors is an integer number (8471358).

Almost surely, 2^194904490 is an apocalyptic number.

194904490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194904490 is an abundant number, since it is smaller than the sum of its proper divisors (211720694).

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

194904490 is a wasteful number, since it uses less digits than its factorization.

194904490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183 (or 6166 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 194904490 is about 13960.8198183345. The cubic root of 194904490 is about 579.7943087507.

The spelling of 194904490 in words is "one hundred ninety-four million, nine hundred four thousand, four hundred ninety".