1896435644 has 24 divisors (see below), whose sum is σ = 3345300000. Its totient is φ = 940652480.

The previous prime is 1896435641. The next prime is 1896435659. The reversal of 1896435644 is 4465346981.

It is a junction number, because it is equal to n+sod(n) for n = 1896435592 and 1896435601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896435641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630857 + ... + 633855.

It is an arithmetic number, because the mean of its divisors is an integer number (139387500).

Almost surely, 2^1896435644 is an apocalyptic number.

It is an amenable number.

1896435644 is a deficient number, since it is larger than the sum of its proper divisors (1448864356).

1896435644 is a wasteful number, since it uses less digits than its factorization.

1896435644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213 (or 4211 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The square root of 1896435644 is about 43548.0842747416. The cubic root of 1896435644 is about 1237.7873400578.

The spelling of 1896435644 in words is "one billion, eight hundred ninety-six million, four hundred thirty-five thousand, six hundred forty-four".