38943193 has 8 divisors (see below), whose sum is σ = 39951560. Its totient is φ = 37946880.

The previous prime is 38943173. The next prime is 38943211. The reversal of 38943193 is 39134983.

38943193 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 7884864 + 31058329 = 2808^2 + 5573^2 .

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

It is not a de Polignac number, because 38943193 - 2²¹ = 36846041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38943173) 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, 3721 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (4993945).

Almost surely, 2^38943193 is an apocalyptic number.

It is an amenable number.

38943193 is a deficient number, since it is larger than the sum of its proper divisors (1008367).

38943193 is a wasteful number, since it uses less digits than its factorization.

38943193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027.

The product of its digits is 69984, while the sum is 40.

The square root of 38943193 is about 6240.4481409591. The cubic root of 38943193 is about 338.9564108323.

The spelling of 38943193 in words is "thirty-eight million, nine hundred forty-three thousand, one hundred ninety-three".