366864305 has 4 divisors (see below), whose sum is σ = 440237172. Its totient is φ = 293491440.

The previous prime is 366864299. The next prime is 366864307. The reversal of 366864305 is 503468663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503468663 = 73 ⋅6896831.

It can be written as a sum of positive squares in 2 ways, for example, as 135094129 + 231770176 = 11623^2 + 15224^2 .

It is not a de Polignac number, because 366864305 - 2⁶ = 366864241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (366864307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36686426 + ... + 36686435.

It is an arithmetic number, because the mean of its divisors is an integer number (110059293).

Almost surely, 2^366864305 is an apocalyptic number.

It is an amenable number.

366864305 is a deficient number, since it is larger than the sum of its proper divisors (73372867).

366864305 is an equidigital number, since it uses as much as digits as its factorization.

366864305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73372866.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 366864305 is about 19153.7021225663. The cubic root of 366864305 is about 715.8716316636.

The spelling of 366864305 in words is "three hundred sixty-six million, eight hundred sixty-four thousand, three hundred five".