38452321 has 4 divisors (see below), whose sum is σ = 38589444. Its totient is φ = 38315200.

The previous prime is 38452319. The next prime is 38452339. The reversal of 38452321 is 12325483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12325483 = 487 ⋅25309.

It can be written as a sum of positive squares in 2 ways, for example, as 26625600 + 11826721 = 5160^2 + 3439^2 .

It is a cyclic number.

It is not a de Polignac number, because 38452321 - 2¹ = 38452319 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 38452321.

It is not an unprimeable number, because it can be changed into a prime (38452391) 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, 68140 + ... + 68701.

It is an arithmetic number, because the mean of its divisors is an integer number (9647361).

Almost surely, 2^38452321 is an apocalyptic number.

It is an amenable number.

38452321 is a deficient number, since it is larger than the sum of its proper divisors (137123).

38452321 is a wasteful number, since it uses less digits than its factorization.

38452321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137122.

The product of its digits is 5760, while the sum is 28.

The square root of 38452321 is about 6200.9935494242. The cubic root of 38452321 is about 337.5262231111.

The spelling of 38452321 in words is "thirty-eight million, four hundred fifty-two thousand, three hundred twenty-one".