383204881 has 2 divisors, whose sum is σ = 383204882. Its totient is φ = 383204880.

The previous prime is 383204873. The next prime is 383204903. The reversal of 383204881 is 188402383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369254656 + 13950225 = 19216^2 + 3735^2 .

It is a cyclic number.

It is not a de Polignac number, because 383204881 - 2³ = 383204873 is a prime.

It is a super-2 number, since 2×383204881² = 293691961644448322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 383204881.

It is not a weakly prime, because it can be changed into another prime (383204851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191602440 + 191602441.

It is an arithmetic number, because the mean of its divisors is an integer number (191602441).

Almost surely, 2^383204881 is an apocalyptic number.

It is an amenable number.

383204881 is a deficient number, since it is larger than the sum of its proper divisors (1).

383204881 is an equidigital number, since it uses as much as digits as its factorization.

383204881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 383204881 is about 19575.6195559681. The cubic root of 383204881 is about 726.3462143940.

The spelling of 383204881 in words is "three hundred eighty-three million, two hundred four thousand, eight hundred eighty-one".