382899949 has 2 divisors, whose sum is σ = 382899950. Its totient is φ = 382899948.

The previous prime is 382899919. The next prime is 382899961. The reversal of 382899949 is 949998283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272019049 + 110880900 = 16493^2 + 10530^2 .

It is a cyclic number.

It is not a de Polignac number, because 382899949 - 2²⁵ = 349345517 is a prime.

It is a super-2 number, since 2×382899949² = 293224741888405202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382899919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191449974 + 191449975.

It is an arithmetic number, because the mean of its divisors is an integer number (191449975).

Almost surely, 2^382899949 is an apocalyptic number.

It is an amenable number.

382899949 is a deficient number, since it is larger than the sum of its proper divisors (1).

382899949 is an equidigital number, since it uses as much as digits as its factorization.

382899949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 61.

The square root of 382899949 is about 19567.8294401806. The cubic root of 382899949 is about 726.1535020101.

The spelling of 382899949 in words is "three hundred eighty-two million, eight hundred ninety-nine thousand, nine hundred forty-nine".