368638669 has 16 divisors (see below), whose sum is σ = 425462400. Its totient is φ = 312871104.

The previous prime is 368638643. The next prime is 368638679. The reversal of 368638669 is 966836863.

It is not a de Polignac number, because 368638669 - 2⁷ = 368638541 is a prime.

It is a super-2 number, since 2×368638669² = 271788936564183122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368638609) 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 15 ways as a sum of consecutive naturals, for example, 559062 + ... + 559720.

It is an arithmetic number, because the mean of its divisors is an integer number (26591400).

Almost surely, 2^368638669 is an apocalyptic number.

It is an amenable number.

368638669 is a deficient number, since it is larger than the sum of its proper divisors (56823731).

368638669 is a wasteful number, since it uses less digits than its factorization.

368638669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332.

The product of its digits is 6718464, while the sum is 55.

The square root of 368638669 is about 19199.9653385104. The cubic root of 368638669 is about 717.0238964924.

The spelling of 368638669 in words is "three hundred sixty-eight million, six hundred thirty-eight thousand, six hundred sixty-nine".