344016321 has 8 divisors (see below), whose sum is σ = 500387424. Its totient is φ = 208494720.

The previous prime is 344016319. The next prime is 344016419. The reversal of 344016321 is 123610443.

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

It is not a de Polignac number, because 344016321 - 2¹ = 344016319 is a prime.

It is a super-2 number, since 2×344016321² = 236694458228750082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344016291 and 344016300.

It is not an unprimeable number, because it can be changed into a prime (344012321) 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, 5212336 + ... + 5212401.

It is an arithmetic number, because the mean of its divisors is an integer number (62548428).

Almost surely, 2^344016321 is an apocalyptic number.

It is an amenable number.

344016321 is a deficient number, since it is larger than the sum of its proper divisors (156371103).

344016321 is a wasteful number, since it uses less digits than its factorization.

344016321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424751.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 344016321 is about 18547.6769704457. The cubic root of 344016321 is about 700.6906930958.

Adding to 344016321 its reverse (123610443), we get a palindrome (467626764).

The spelling of 344016321 in words is "three hundred forty-four million, sixteen thousand, three hundred twenty-one".