344321404 has 48 divisors (see below), whose sum is σ = 703906560. Its totient is φ = 144322560.

The previous prime is 344321353. The next prime is 344321447. The reversal of 344321404 is 404123443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424159 + ... + 424969.

It is an arithmetic number, because the mean of its divisors is an integer number (14664720).

Almost surely, 2^344321404 is an apocalyptic number.

It is an amenable number.

344321404 is an abundant number, since it is smaller than the sum of its proper divisors (359585156).

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

344321404 is a wasteful number, since it uses less digits than its factorization.

344321404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 344321404 is about 18555.8994392619. The cubic root of 344321404 is about 700.8977623973.

Adding to 344321404 its reverse (404123443), we get a palindrome (748444847).

The spelling of 344321404 in words is "three hundred forty-four million, three hundred twenty-one thousand, four hundred four".