344404001 has 4 divisors (see below), whose sum is σ = 359378112. Its totient is φ = 329429892.

The previous prime is 344403989. The next prime is 344404009. The reversal of 344404001 is 100404443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100404443 = 31 ⋅3238853.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344404001 is a prime.

It is a super-2 number, since 2×344404001² = 237228231809616002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344404009) 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, 7487021 + ... + 7487066.

It is an arithmetic number, because the mean of its divisors is an integer number (89844528).

Almost surely, 2^344404001 is an apocalyptic number.

It is an amenable number.

344404001 is a deficient number, since it is larger than the sum of its proper divisors (14974111).

344404001 is a wasteful number, since it uses less digits than its factorization.

344404001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974110.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 344404001 is about 18558.1249322231. The cubic root of 344404001 is about 700.9538025034.

Adding to 344404001 its reverse (100404443), we get a palindrome (444808444).

It can be divided in two parts, 3 and 44404001, that multiplied together give a triangular number (133212003 = T₁₆₃₂₂).

The spelling of 344404001 in words is "three hundred forty-four million, four hundred four thousand, one".