366940817 has 2 divisors, whose sum is σ = 366940818. Its totient is φ = 366940816.

The previous prime is 366940807. The next prime is 366940837. The reversal of 366940817 is 718049663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304467601 + 62473216 = 17449^2 + 7904^2 .

It is a cyclic number.

It is not a de Polignac number, because 366940817 - 2⁶ = 366940753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (366940807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183470408 + 183470409.

It is an arithmetic number, because the mean of its divisors is an integer number (183470409).

Almost surely, 2^366940817 is an apocalyptic number.

It is an amenable number.

366940817 is a deficient number, since it is larger than the sum of its proper divisors (1).

366940817 is an equidigital number, since it uses as much as digits as its factorization.

366940817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 366940817 is about 19155.6993346628. The cubic root of 366940817 is about 715.9213948070.

The spelling of 366940817 in words is "three hundred sixty-six million, nine hundred forty thousand, eight hundred seventeen".