344403004 has 24 divisors (see below), whose sum is σ = 659051568. Its totient is φ = 156176640.

The previous prime is 344402959. The next prime is 344403023. The reversal of 344403004 is 400304443.

It is a happy number.

It is a super-2 number, since 2×344403004² = 237226858328448032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

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, 10014 + ... + 28090.

It is an arithmetic number, because the mean of its divisors is an integer number (27460482).

Almost surely, 2^344403004 is an apocalyptic number.

It is an amenable number.

344403004 is a deficient number, since it is larger than the sum of its proper divisors (314648564).

344403004 is a wasteful number, since it uses less digits than its factorization.

344403004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18525 (or 18523 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344403004 is about 18558.0980706537. The cubic root of 344403004 is about 700.9531261159.

Adding to 344403004 its reverse (400304443), we get a palindrome (744707447).

The spelling of 344403004 in words is "three hundred forty-four million, four hundred three thousand, four".