344420401 has 8 divisors (see below), whose sum is σ = 376451264. Its totient is φ = 313180560.

The previous prime is 344420389. The next prime is 344420431. The reversal of 344420401 is 104024443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344420401 - 2¹³ = 344412209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344420431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196845 + ... + 198586.

It is an arithmetic number, because the mean of its divisors is an integer number (47056408).

Almost surely, 2^344420401 is an apocalyptic number.

It is an amenable number.

344420401 is a deficient number, since it is larger than the sum of its proper divisors (32030863).

344420401 is a wasteful number, since it uses less digits than its factorization.

344420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395511.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 344420401 is about 18558.5667819474. The cubic root of 344420401 is about 700.9649284483.

Adding to 344420401 its reverse (104024443), we get a palindrome (448444844).

The spelling of 344420401 in words is "three hundred forty-four million, four hundred twenty thousand, four hundred one".