344345406 has 16 divisors (see below), whose sum is σ = 703344384. Its totient is φ = 112339544.

The previous prime is 344345381. The next prime is 344345411. The reversal of 344345406 is 604543443.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610260 + ... + 610823.

It is an arithmetic number, because the mean of its divisors is an integer number (43959024).

Almost surely, 2^344345406 is an apocalyptic number.

344345406 is an abundant number, since it is smaller than the sum of its proper divisors (358998978).

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

344345406 is a wasteful number, since it uses less digits than its factorization.

344345406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221135.

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 344345406 is about 18556.5461764845. The cubic root of 344345406 is about 700.9140481089.

Adding to 344345406 its reverse (604543443), we get a palindrome (948888849).

The spelling of 344345406 in words is "three hundred forty-four million, three hundred forty-five thousand, four hundred six".