344445534 has 80 divisors (see below), whose sum is σ = 822918096. Its totient is φ = 107308800.

The previous prime is 344445533. The next prime is 344445553. The reversal of 344445534 is 435544443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344445533) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 498129 + ... + 498819.

Almost surely, 2^344445534 is an apocalyptic number.

344445534 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 344445534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411459048).

344445534 is an abundant number, since it is smaller than the sum of its proper divisors (478472562).

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

344445534 is a wasteful number, since it uses less digits than its factorization.

344445534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 894 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 344445534 is about 18559.2438962367. The cubic root of 344445534 is about 700.9819782737.

Adding to 344445534 its reverse (435544443), we get a palindrome (779989977).

The spelling of 344445534 in words is "three hundred forty-four million, four hundred forty-five thousand, five hundred thirty-four".