383794128 has 30 divisors (see below), whose sum is σ = 1074090914. Its totient is φ = 127931328.

The previous prime is 383794111. The next prime is 383794163. The reversal of 383794128 is 821497383.

It can be written as a sum of positive squares in only one way, i.e., 364504464 + 19289664 = 19092^2 + 4392^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1332475 + ... + 1332762.

Almost surely, 2^383794128 is an apocalyptic number.

It is an amenable number.

383794128 is an abundant number, since it is smaller than the sum of its proper divisors (690296786).

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

383794128 is a wasteful number, since it uses less digits than its factorization.

383794128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665251 (or 2665242 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 383794128 is about 19590.6643072664. The cubic root of 383794128 is about 726.7183200758.

The spelling of 383794128 in words is "three hundred eighty-three million, seven hundred ninety-four thousand, one hundred twenty-eight".