366999 has 8 divisors (see below), whose sum is σ = 496512. Its totient is φ = 241080.

The previous prime is 366997. The next prime is 367001. The reversal of 366999 is 999663.

It is an interprime number because it is at equal distance from previous prime (366997) and next prime (367001).

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

It is not a de Polignac number, because 366999 - 2¹ = 366997 is a prime.

366999 is a modest number, since divided by 999 gives 366 as remainder.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 366999.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 366999.

It is not an unprimeable number, because it can be changed into a prime (366997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649 + ... + 1074.

It is an arithmetic number, because the mean of its divisors is an integer number (62064).

2³⁶⁶⁹⁹⁹ is an apocalyptic number.

366999 is a deficient number, since it is larger than the sum of its proper divisors (129513).

366999 is a wasteful number, since it uses less digits than its factorization.

366999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797.

The product of its digits is 78732, while the sum is 42.

The square root of 366999 is about 605.8044238861. The cubic root of 366999 is about 71.5959232201.

The spelling of 366999 in words is "three hundred sixty-six thousand, nine hundred ninety-nine".