38344321 has 8 divisors (see below), whose sum is σ = 39461480. Its totient is φ = 37258704.

The previous prime is 38344297. The next prime is 38344349. The reversal of 38344321 is 12344383.

It can be written as a sum of positive squares in 4 ways, for example, as 17514225 + 20830096 = 4185^2 + 4564^2 .

It is not a de Polignac number, because 38344321 - 2¹⁹ = 37820033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38344321.

It is not an unprimeable number, because it can be changed into a prime (38344121) 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, 50275 + ... + 51031.

It is an arithmetic number, because the mean of its divisors is an integer number (4932685).

Almost surely, 2^38344321 is an apocalyptic number.

It is an amenable number.

38344321 is a deficient number, since it is larger than the sum of its proper divisors (1117159).

38344321 is an frugal number, since it uses more digits than its factorization.

38344321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 794 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 38344321 is about 6192.2791442247. The cubic root of 38344321 is about 337.2099265258.

The spelling of 38344321 in words is "thirty-eight million, three hundred forty-four thousand, three hundred twenty-one".