1804438934 has 16 divisors (see below), whose sum is σ = 2721222000. Its totient is φ = 897373344.

The previous prime is 1804438859. The next prime is 1804438963. The reversal of 1804438934 is 4398344081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858617 + ... + 860715.

It is an arithmetic number, because the mean of its divisors is an integer number (170076375).

Almost surely, 2^1804438934 is an apocalyptic number.

1804438934 is a deficient number, since it is larger than the sum of its proper divisors (916783066).

1804438934 is a wasteful number, since it uses less digits than its factorization.

1804438934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 1804438934 is about 42478.6879976301. The cubic root of 1804438934 is about 1217.4395224539.

The spelling of 1804438934 in words is "one billion, eight hundred four million, four hundred thirty-eight thousand, nine hundred thirty-four".