1783045338 has 16 divisors (see below), whose sum is σ = 3689059680. Its totient is φ = 573853616.

The previous prime is 1783045333. The next prime is 1783045349. The reversal of 1783045338 is 8335403871.

It is a self number, because there is not a number n which added to its sum of digits gives 1783045338.

It is not an unprimeable number, because it can be changed into a prime (1783045331) 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, 5123520 + ... + 5123867.

It is an arithmetic number, because the mean of its divisors is an integer number (230566230).

Almost surely, 2^1783045338 is an apocalyptic number.

1783045338 is an abundant number, since it is smaller than the sum of its proper divisors (1906014342).

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

1783045338 is a wasteful number, since it uses less digits than its factorization.

1783045338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247421.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 1783045338 is about 42226.1215126372. The cubic root of 1783045338 is about 1212.6090227968.

The spelling of 1783045338 in words is "one billion, seven hundred eighty-three million, forty-five thousand, three hundred thirty-eight".