1904490673 has 8 divisors (see below), whose sum is σ = 1966438400. Its totient is φ = 1842575040.

The previous prime is 1904490661. The next prime is 1904490701. The reversal of 1904490673 is 3760944091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1904490673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1904490073) 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 7 ways as a sum of consecutive naturals, for example, 192553 + ... + 202201.

It is an arithmetic number, because the mean of its divisors is an integer number (245804800).

Almost surely, 2^1904490673 is an apocalyptic number.

It is an amenable number.

1904490673 is a deficient number, since it is larger than the sum of its proper divisors (61947727).

1904490673 is an equidigital number, since it uses as much as digits as its factorization.

1904490673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16047.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 1904490673 is about 43640.4705863720. The cubic root of 1904490673 is about 1239.5373475640.

The spelling of 1904490673 in words is "one billion, nine hundred four million, four hundred ninety thousand, six hundred seventy-three".