38493793 has 8 divisors (see below), whose sum is σ = 42466536. Its totient is φ = 34665600.

The previous prime is 38493769. The next prime is 38493803. The reversal of 38493793 is 39739483.

38493793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2096704 + 36397089 = 1448^2 + 6033^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38493793 - 2⁵ = 38493761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38493733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35578 + ... + 36643.

It is an arithmetic number, because the mean of its divisors is an integer number (5308317).

Almost surely, 2^38493793 is an apocalyptic number.

It is an amenable number.

38493793 is a deficient number, since it is larger than the sum of its proper divisors (3972743).

38493793 is a wasteful number, since it uses less digits than its factorization.

38493793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72275.

The product of its digits is 489888, while the sum is 46.

The square root of 38493793 is about 6204.3366285204. The cubic root of 38493793 is about 337.6475236186.

The spelling of 38493793 in words is "thirty-eight million, four hundred ninety-three thousand, seven hundred ninety-three".