38320293 has 16 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 22928880.

The previous prime is 38320279. The next prime is 38320297. The reversal of 38320293 is 39202383.

It is not a de Polignac number, because 38320293 - 2⁹ = 38319781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38320293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38320297) 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 15 ways as a sum of consecutive naturals, for example, 4743 + ... + 9956.

It is an arithmetic number, because the mean of its divisors is an integer number (3528000).

Almost surely, 2^38320293 is an apocalyptic number.

38320293 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38320293 is a deficient number, since it is larger than the sum of its proper divisors (18127707).

38320293 is a wasteful number, since it uses less digits than its factorization.

38320293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14792.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 38320293 is about 6190.3386821724. The cubic root of 38320293 is about 337.1394756487.

The spelling of 38320293 in words is "thirty-eight million, three hundred twenty thousand, two hundred ninety-three".