344400003 has 6 divisors (see below), whose sum is σ = 497466684. Its totient is φ = 229599996.

The previous prime is 344399977. The next prime is 344400037. The reversal of 344400003 is 300004443.

It is not a de Polignac number, because 344400003 - 2¹⁰ = 344398979 is a prime.

It is a super-2 number, since 2×344400003² = 237222724132800018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344400073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19133325 + ... + 19133342.

It is an arithmetic number, because the mean of its divisors is an integer number (82911114).

Almost surely, 2^344400003 is an apocalyptic number.

344400003 is a deficient number, since it is larger than the sum of its proper divisors (153066681).

344400003 is a wasteful number, since it uses less digits than its factorization.

344400003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38266673 (or 38266670 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 344400003 is about 18558.0172162869. The cubic root of 344400003 is about 700.9510901615.

Adding to 344400003 its reverse (300004443), we get a palindrome (644404446).

The spelling of 344400003 in words is "three hundred forty-four million, four hundred thousand, three".