366004721 has 2 divisors, whose sum is σ = 366004722. Its totient is φ = 366004720.

The previous prime is 366004711. The next prime is 366004753. The reversal of 366004721 is 127400663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365230321 + 774400 = 19111^2 + 880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-366004721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (366004711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183002360 + 183002361.

It is an arithmetic number, because the mean of its divisors is an integer number (183002361).

Almost surely, 2^366004721 is an apocalyptic number.

It is an amenable number.

366004721 is a deficient number, since it is larger than the sum of its proper divisors (1).

366004721 is an equidigital number, since it uses as much as digits as its factorization.

366004721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 366004721 is about 19131.2498546227. The cubic root of 366004721 is about 715.3120850590.

The spelling of 366004721 in words is "three hundred sixty-six million, four thousand, seven hundred twenty-one".