1896021912 has 32 divisors (see below), whose sum is σ = 4774662000. Its totient is φ = 627393024.

The previous prime is 1896021797. The next prime is 1896021923. The reversal of 1896021912 is 2191206981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285037 + ... + 291612.

Almost surely, 2^1896021912 is an apocalyptic number.

1896021912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1896021912 is an abundant number, since it is smaller than the sum of its proper divisors (2878640088).

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

1896021912 is a wasteful number, since it uses less digits than its factorization.

1896021912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576795 (or 576791 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1896021912 is about 43543.3337263007. Note that the first 3 decimals coincide. The cubic root of 1896021912 is about 1237.6973203975.

The spelling of 1896021912 in words is "one billion, eight hundred ninety-six million, twenty-one thousand, nine hundred twelve".