1889794934 has 16 divisors (see below), whose sum is σ = 2868920208. Its totient is φ = 933522432.

The previous prime is 1889794927. The next prime is 1889794961. The reversal of 1889794934 is 4394979881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106829 + ... + 123255.

It is an arithmetic number, because the mean of its divisors is an integer number (179307513).

Almost surely, 2^1889794934 is an apocalyptic number.

1889794934 is a deficient number, since it is larger than the sum of its proper divisors (979125274).

1889794934 is a wasteful number, since it uses less digits than its factorization.

1889794934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17119.

The product of its digits is 15676416, while the sum is 62.

The square root of 1889794934 is about 43471.7716915241. The cubic root of 1889794934 is about 1236.3408721617.

The spelling of 1889794934 in words is "one billion, eight hundred eighty-nine million, seven hundred ninety-four thousand, nine hundred thirty-four".