383314993 has 2 divisors, whose sum is σ = 383314994. Its totient is φ = 383314992.

The previous prime is 383314991. The next prime is 383315003. The reversal of 383314993 is 399413383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382280704 + 1034289 = 19552^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 383314993 - 2¹ = 383314991 is a prime.

Together with 383314991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (383314991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191657496 + 191657497.

It is an arithmetic number, because the mean of its divisors is an integer number (191657497).

Almost surely, 2^383314993 is an apocalyptic number.

It is an amenable number.

383314993 is a deficient number, since it is larger than the sum of its proper divisors (1).

383314993 is an equidigital number, since it uses as much as digits as its factorization.

383314993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 383314993 is about 19578.4318319931. The cubic root of 383314993 is about 726.4157783784.

The spelling of 383314993 in words is "three hundred eighty-three million, three hundred fourteen thousand, nine hundred ninety-three".