369998665 has 8 divisors (see below), whose sum is σ = 444138120. Its totient is φ = 295905792.

The previous prime is 369998639. The next prime is 369998669. The reversal of 369998665 is 566899963.

It can be written as a sum of positive squares in 4 ways, for example, as 41229241 + 328769424 = 6421^2 + 18132^2 .

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 369998665 - 2²⁵ = 336444233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (369998669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9241 + ... + 28729.

It is an arithmetic number, because the mean of its divisors is an integer number (55517265).

Almost surely, 2^369998665 is an apocalyptic number.

It is an amenable number.

369998665 is a deficient number, since it is larger than the sum of its proper divisors (74139455).

369998665 is a wasteful number, since it uses less digits than its factorization.

369998665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23291.

The product of its digits is 18895680, while the sum is 61.

The square root of 369998665 is about 19235.3493599674. The cubic root of 369998665 is about 717.9045717790.

The spelling of 369998665 in words is "three hundred sixty-nine million, nine hundred ninety-eight thousand, six hundred sixty-five".