344216534 has 16 divisors (see below), whose sum is σ = 528161136. Its totient is φ = 168199200.

The previous prime is 344216533. The next prime is 344216549. The reversal of 344216534 is 435612443.

It is a self number, because there is not a number n which added to its sum of digits gives 344216534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344216533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10169 + ... + 28139.

It is an arithmetic number, because the mean of its divisors is an integer number (33010071).

Almost surely, 2^344216534 is an apocalyptic number.

344216534 is a deficient number, since it is larger than the sum of its proper divisors (183944602).

344216534 is a wasteful number, since it uses less digits than its factorization.

344216534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18191.

The product of its digits is 34560, while the sum is 32.

The square root of 344216534 is about 18553.0734381126. The cubic root of 344216534 is about 700.8265976744.

Adding to 344216534 its reverse (435612443), we get a palindrome (779828977).

The spelling of 344216534 in words is "three hundred forty-four million, two hundred sixteen thousand, five hundred thirty-four".