366799949 has 2 divisors, whose sum is σ = 366799950. Its totient is φ = 366799948.

The previous prime is 366799943. The next prime is 366800023. The reversal of 366799949 is 949997663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317196100 + 49603849 = 17810^2 + 7043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-366799949 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 366799891 and 366799900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366799943) 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, 183399974 + 183399975.

It is an arithmetic number, because the mean of its divisors is an integer number (183399975).

Almost surely, 2^366799949 is an apocalyptic number.

It is an amenable number.

366799949 is a deficient number, since it is larger than the sum of its proper divisors (1).

366799949 is an equidigital number, since it uses as much as digits as its factorization.

366799949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19840464, while the sum is 62.

The square root of 366799949 is about 19152.0220603465. The cubic root of 366799949 is about 715.8297693835.

The spelling of 366799949 in words is "three hundred sixty-six million, seven hundred ninety-nine thousand, nine hundred forty-nine".