382899961 has 2 divisors, whose sum is σ = 382899962. Its totient is φ = 382899960.

The previous prime is 382899949. The next prime is 382899973. The reversal of 382899961 is 169998283.

It is a balanced prime because it is at equal distance from previous prime (382899949) and next prime (382899973).

It can be written as a sum of positive squares in only one way, i.e., 381459961 + 1440000 = 19531^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 382899961 - 2¹⁹ = 382375673 is a prime.

It is a super-2 number, since 2×382899961² = 293224760267603042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (382899901) 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, 191449980 + 191449981.

It is an arithmetic number, because the mean of its divisors is an integer number (191449981).

Almost surely, 2^382899961 is an apocalyptic number.

It is an amenable number.

382899961 is a deficient number, since it is larger than the sum of its proper divisors (1).

382899961 is an equidigital number, since it uses as much as digits as its factorization.

382899961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 55.

The square root of 382899961 is about 19567.8297468064. The cubic root of 382899961 is about 726.1535095960.

The spelling of 382899961 in words is "three hundred eighty-two million, eight hundred ninety-nine thousand, nine hundred sixty-one".