38811693 has 8 divisors (see below), whose sum is σ = 52521568. Its totient is φ = 25488144.

The previous prime is 38811683. The next prime is 38811701. The reversal of 38811693 is 39611883.

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

It is not a de Polignac number, because 38811693 - 2⁹ = 38811181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38811683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96346 + ... + 96747.

It is an arithmetic number, because the mean of its divisors is an integer number (6565196).

Almost surely, 2^38811693 is an apocalyptic number.

It is an amenable number.

38811693 is a deficient number, since it is larger than the sum of its proper divisors (13709875).

38811693 is a wasteful number, since it uses less digits than its factorization.

38811693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193163.

The product of its digits is 31104, while the sum is 39.

The square root of 38811693 is about 6229.9031292629. The cubic root of 38811693 is about 338.5744610508.

The spelling of 38811693 in words is "thirty-eight million, eight hundred eleven thousand, six hundred ninety-three".