38193321 has 8 divisors (see below), whose sum is σ = 51166624. Its totient is φ = 25341120.

The previous prime is 38193313. The next prime is 38193343. The reversal of 38193321 is 12339183.

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

It is not a de Polignac number, because 38193321 - 2³ = 38193313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38193301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29536 + ... + 30801.

It is an arithmetic number, because the mean of its divisors is an integer number (6395828).

Almost surely, 2^38193321 is an apocalyptic number.

It is an amenable number.

38193321 is a deficient number, since it is larger than the sum of its proper divisors (12973303).

38193321 is a wasteful number, since it uses less digits than its factorization.

38193321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60551.

The product of its digits is 3888, while the sum is 30.

The square root of 38193321 is about 6180.0745141139. The cubic root of 38193321 is about 336.7666997889.

It can be divided in two parts, 3819 and 3321, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 38193321 in words is "thirty-eight million, one hundred ninety-three thousand, three hundred twenty-one".