1893045648 has 40 divisors (see below), whose sum is σ = 5266551808. Its totient is φ = 582475392.

The previous prime is 1893045643. The next prime is 1893045683. The reversal of 1893045648 is 8465403981.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1893045597 and 1893045606.

It is not an unprimeable number, because it can be changed into a prime (1893045643) 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, 1516240 + ... + 1517487.

Almost surely, 2^1893045648 is an apocalyptic number.

It is an amenable number.

1893045648 is an abundant number, since it is smaller than the sum of its proper divisors (3373506160).

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

1893045648 is a wasteful number, since it uses less digits than its factorization.

1893045648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033751 (or 3033745 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 1893045648 is about 43509.1444181565. The cubic root of 1893045648 is about 1237.0493596804.

The spelling of 1893045648 in words is "one billion, eight hundred ninety-three million, forty-five thousand, six hundred forty-eight".