1938034805 has 16 divisors (see below), whose sum is σ = 2675721600. Its totient is φ = 1320015552.

The previous prime is 1938034771. The next prime is 1938034817. The reversal of 1938034805 is 5084308391.

It is a cyclic number.

It is not a de Polignac number, because 1938034805 - 2⁶ = 1938034741 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 180599 + ... + 191028.

It is an arithmetic number, because the mean of its divisors is an integer number (167232600).

Almost surely, 2^1938034805 is an apocalyptic number.

It is an amenable number.

1938034805 is a deficient number, since it is larger than the sum of its proper divisors (737686795).

1938034805 is a wasteful number, since it uses less digits than its factorization.

1938034805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371788.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1938034805 is about 44023.1167115642. The cubic root of 1938034805 is about 1246.7724318156.

The spelling of 1938034805 in words is "one billion, nine hundred thirty-eight million, thirty-four thousand, eight hundred five".