344320004 has 12 divisors (see below), whose sum is σ = 688640064. Its totient is φ = 147565704.

The previous prime is 344319973. The next prime is 344320013. The reversal of 344320004 is 400023443.

It is a happy number.

344320004 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6148544 + ... + 6148599.

It is an arithmetic number, because the mean of its divisors is an integer number (57386672).

Almost surely, 2^344320004 is an apocalyptic number.

It is an amenable number.

344320004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

344320004 is a wasteful number, since it uses less digits than its factorization.

344320004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12297154 (or 12297152 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 344320004 is about 18555.8617153718. The cubic root of 344320004 is about 700.8968124533.

Adding to 344320004 its reverse (400023443), we get a palindrome (744343447).

The spelling of 344320004 in words is "three hundred forty-four million, three hundred twenty thousand, four".