383206949 has 2 divisors, whose sum is σ = 383206950. Its totient is φ = 383206948.

The previous prime is 383206921. The next prime is 383206963. The reversal of 383206949 is 949602383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314814049 + 68392900 = 17743^2 + 8270^2 .

It is a cyclic number.

It is not a de Polignac number, because 383206949 - 2¹⁶ = 383141413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383206919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191603474 + 191603475.

It is an arithmetic number, because the mean of its divisors is an integer number (191603475).

Almost surely, 2^383206949 is an apocalyptic number.

It is an amenable number.

383206949 is a deficient number, since it is larger than the sum of its proper divisors (1).

383206949 is an equidigital number, since it uses as much as digits as its factorization.

383206949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 383206949 is about 19575.6723767027. The cubic root of 383206949 is about 726.3475209895.

The spelling of 383206949 in words is "three hundred eighty-three million, two hundred six thousand, nine hundred forty-nine".