368421111 has 6 divisors (see below), whose sum is σ = 532163840. Its totient is φ = 245614068.

The previous prime is 368421103. The next prime is 368421149. The reversal of 368421111 is 111124863.

It is a happy number.

It is not a de Polignac number, because 368421111 - 2³ = 368421103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368421101) 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 5 ways as a sum of consecutive naturals, for example, 20467831 + ... + 20467848.

Almost surely, 2^368421111 is an apocalyptic number.

368421111 is a deficient number, since it is larger than the sum of its proper divisors (163742729).

368421111 is a wasteful number, since it uses less digits than its factorization.

368421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40935685 (or 40935682 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 368421111 is about 19194.2989192104. The cubic root of 368421111 is about 716.8828143655.

Adding to 368421111 its reverse (111124863), we get a palindrome (479545974).

The spelling of 368421111 in words is "three hundred sixty-eight million, four hundred twenty-one thousand, one hundred eleven".