368894689 has 4 divisors (see below), whose sum is σ = 368936980. Its totient is φ = 368852400.

The previous prime is 368894663. The next prime is 368894717. The reversal of 368894689 is 986498863.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 986498863 = 7 ⋅140928409.

It can be written as a sum of positive squares in 2 ways, for example, as 230432400 + 138462289 = 15180^2 + 11767^2 .

It is a cyclic number.

It is not a de Polignac number, because 368894689 - 2⁵ = 368894657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (368894189) 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 3 ways as a sum of consecutive naturals, for example, 2694 + ... + 27295.

It is an arithmetic number, because the mean of its divisors is an integer number (92234245).

Almost surely, 2^368894689 is an apocalyptic number.

It is an amenable number.

368894689 is a deficient number, since it is larger than the sum of its proper divisors (42291).

368894689 is a wasteful number, since it uses less digits than its factorization.

368894689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42290.

The product of its digits is 17915904, while the sum is 61.

The square root of 368894689 is about 19206.6313808539. The cubic root of 368894689 is about 717.1898494003.

The spelling of 368894689 in words is "three hundred sixty-eight million, eight hundred ninety-four thousand, six hundred eighty-nine".