673805438 has 8 divisors (see below), whose sum is σ = 1070161632. Its totient is φ = 317084896.

The previous prime is 673805369. The next prime is 673805449. The reversal of 673805438 is 834508376.

673805438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9908870 + ... + 9908937.

It is an arithmetic number, because the mean of its divisors is an integer number (133770204).

Almost surely, 2^673805438 is an apocalyptic number.

673805438 is a deficient number, since it is larger than the sum of its proper divisors (396356194).

673805438 is a wasteful number, since it uses less digits than its factorization.

673805438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19817826.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 673805438 is about 25957.7625769248. The cubic root of 673805438 is about 876.6875462039.

The spelling of 673805438 in words is "six hundred seventy-three million, eight hundred five thousand, four hundred thirty-eight".