383248769 has 2 divisors, whose sum is σ = 383248770. Its totient is φ = 383248768.

The previous prime is 383248739. The next prime is 383248823. The reversal of 383248769 is 967842383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232867600 + 150381169 = 15260^2 + 12263^2 .

It is an emirp because it is prime and its reverse (967842383) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383248769 is a prime.

It is a super-2 number, since 2×383248769² = 293759237880030722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (383248739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191624384 + 191624385.

It is an arithmetic number, because the mean of its divisors is an integer number (191624385).

Almost surely, 2^383248769 is an apocalyptic number.

It is an amenable number.

383248769 is a deficient number, since it is larger than the sum of its proper divisors (1).

383248769 is an equidigital number, since it uses as much as digits as its factorization.

383248769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 383248769 is about 19576.7405101054. The cubic root of 383248769 is about 726.3739425253.

The spelling of 383248769 in words is "three hundred eighty-three million, two hundred forty-eight thousand, seven hundred sixty-nine".