344404453 has 4 divisors (see below), whose sum is σ = 344609100. Its totient is φ = 344199808.

The previous prime is 344404439. The next prime is 344404471. The reversal of 344404453 is 354404443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 199996164 + 144408289 = 14142^2 + 12017^2 .

It is a cyclic number.

It is not a de Polignac number, because 344404453 - 2¹⁷ = 344273381 is a prime.

It is a super-2 number, since 2×344404453² = 237228854492458418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344404483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99778 + ... + 103171.

It is an arithmetic number, because the mean of its divisors is an integer number (86152275).

Almost surely, 2^344404453 is an apocalyptic number.

It is an amenable number.

344404453 is a deficient number, since it is larger than the sum of its proper divisors (204647).

344404453 is a wasteful number, since it uses less digits than its factorization.

344404453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204646.

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 344404453 is about 18558.1371101735. The cubic root of 344404453 is about 700.9541091500.

Adding to 344404453 its reverse (354404443), we get a palindrome (698808896).

The spelling of 344404453 in words is "three hundred forty-four million, four hundred four thousand, four hundred fifty-three".