383979383 has 2 divisors, whose sum is σ = 383979384. Its totient is φ = 383979382.

The previous prime is 383979371. The next prime is 383979389.

383979383 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 383979383 - 2⁴ = 383979367 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383979389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191989691 + 191989692.

It is an arithmetic number, because the mean of its divisors is an integer number (191989692).

Almost surely, 2^383979383 is an apocalyptic number.

383979383 is a deficient number, since it is larger than the sum of its proper divisors (1).

383979383 is an equidigital number, since it uses as much as digits as its factorization.

383979383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The square root of 383979383 is about 19595.3918817665. The cubic root of 383979383 is about 726.8352287142.

The spelling of 383979383 in words is "three hundred eighty-three million, nine hundred seventy-nine thousand, three hundred eighty-three".