1896022768 has 20 divisors (see below), whose sum is σ = 3866889160. Its totient is φ = 898115904.

The previous prime is 1896022759. The next prime is 1896022769. The reversal of 1896022768 is 8672206981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896022769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118155 + ... + 3118762.

It is an arithmetic number, because the mean of its divisors is an integer number (193344458).

Almost surely, 2^1896022768 is an apocalyptic number.

It is an amenable number.

1896022768 is an abundant number, since it is smaller than the sum of its proper divisors (1970866392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1896022768 is a wasteful number, since it uses less digits than its factorization.

1896022768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236944 (or 6236938 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 1896022768 is about 43543.3435555884. The cubic root of 1896022768 is about 1237.6975066592.

The spelling of 1896022768 in words is "one billion, eight hundred ninety-six million, twenty-two thousand, seven hundred sixty-eight".