383385361 has 2 divisors, whose sum is σ = 383385362. Its totient is φ = 383385360.

The previous prime is 383385347. The next prime is 383385371. The reversal of 383385361 is 163583383.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244734736 + 138650625 = 15644^2 + 11775^2 .

It is a cyclic number.

It is not a de Polignac number, because 383385361 - 2⁵ = 383385329 is a prime.

It is not a weakly prime, because it can be changed into another prime (383385311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191692680 + 191692681.

It is an arithmetic number, because the mean of its divisors is an integer number (191692681).

Almost surely, 2^383385361 is an apocalyptic number.

It is an amenable number.

383385361 is a deficient number, since it is larger than the sum of its proper divisors (1).

383385361 is an equidigital number, since it uses as much as digits as its factorization.

383385361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 383385361 is about 19580.2288291021. The cubic root of 383385361 is about 726.4602268509.

The spelling of 383385361 in words is "three hundred eighty-three million, three hundred eighty-five thousand, three hundred sixty-one".