366865729 has 8 divisors (see below), whose sum is σ = 388659168. Its totient is φ = 345096000.

The previous prime is 366865711. The next prime is 366865757. The reversal of 366865729 is 927568663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 366865729 - 2⁹ = 366865217 is a prime.

It is a super-2 number, since 2×366865729² = 269180926229402882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (366865799) 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 in 7 ways as a sum of consecutive naturals, for example, 33474 + ... + 43060.

It is an arithmetic number, because the mean of its divisors is an integer number (48582396).

Almost surely, 2^366865729 is an apocalyptic number.

It is an amenable number.

366865729 is a deficient number, since it is larger than the sum of its proper divisors (21793439).

366865729 is a wasteful number, since it uses less digits than its factorization.

366865729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11855.

The product of its digits is 3265920, while the sum is 52.

The square root of 366865729 is about 19153.7392955005. The cubic root of 366865729 is about 715.8725578915.

The spelling of 366865729 in words is "three hundred sixty-six million, eight hundred sixty-five thousand, seven hundred twenty-nine".