343111636 has 24 divisors (see below), whose sum is σ = 689826816. Its totient is φ = 146275680.

The previous prime is 343111583. The next prime is 343111661. The reversal of 343111636 is 636111343.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26731 + ... + 37426.

It is an arithmetic number, because the mean of its divisors is an integer number (28742784).

Almost surely, 2^343111636 is an apocalyptic number.

It is an amenable number.

343111636 is an abundant number, since it is smaller than the sum of its proper divisors (346715180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343111636 is a wasteful number, since it uses less digits than its factorization.

343111636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64359 (or 64357 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 343111636 is about 18523.2728209677. The cubic root of 343111636 is about 700.0759346196.

Adding to 343111636 its reverse (636111343), we get a palindrome (979222979).

The spelling of 343111636 in words is "three hundred forty-three million, one hundred eleven thousand, six hundred thirty-six".