38542393 has 8 divisors (see below), whose sum is σ = 41880320. Its totient is φ = 35335440.

The previous prime is 38542391. The next prime is 38542453. The reversal of 38542393 is 39324583.

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

It is not a de Polignac number, because 38542393 - 2¹ = 38542391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38542391) 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, 32130 + ... + 33307.

It is an arithmetic number, because the mean of its divisors is an integer number (5235040).

Almost surely, 2^38542393 is an apocalyptic number.

It is an amenable number.

38542393 is a deficient number, since it is larger than the sum of its proper divisors (3337927).

38542393 is a wasteful number, since it uses less digits than its factorization.

38542393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65487.

The product of its digits is 77760, while the sum is 37.

The square root of 38542393 is about 6208.2520084159. The cubic root of 38542393 is about 337.7895618300.

It can be divided in two parts, 385 and 42393, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 38542393 in words is "thirty-eight million, five hundred forty-two thousand, three hundred ninety-three".