1896929444 has 12 divisors (see below), whose sum is σ = 3374047068. Its totient is φ = 932916000.

The previous prime is 1896929443. The next prime is 1896929449. The reversal of 1896929444 is 4449296981.

It can be written as a sum of positive squares in 2 ways, for example, as 372026944 + 1524902500 = 19288^2 + 39050^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1896929444.

It is not an unprimeable number, because it can be changed into a prime (1896929443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3886907 + ... + 3887394.

It is an arithmetic number, because the mean of its divisors is an integer number (281170589).

Almost surely, 2^1896929444 is an apocalyptic number.

It is an amenable number.

1896929444 is a deficient number, since it is larger than the sum of its proper divisors (1477117624).

1896929444 is a wasteful number, since it uses less digits than its factorization.

1896929444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774366 (or 7774364 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The square root of 1896929444 is about 43553.7535007030. The cubic root of 1896929444 is about 1237.8947637481.

The spelling of 1896929444 in words is "one billion, eight hundred ninety-six million, nine hundred twenty-nine thousand, four hundred forty-four".