38191713 has 16 divisors (see below), whose sum is σ = 58800000. Its totient is φ = 21597696.

The previous prime is 38191711. The next prime is 38191723. The reversal of 38191713 is 31719183.

It is not a de Polignac number, because 38191713 - 2¹ = 38191711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38191711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7338 + ... + 11411.

It is an arithmetic number, because the mean of its divisors is an integer number (3675000).

Almost surely, 2^38191713 is an apocalyptic number.

It is an amenable number.

38191713 is a deficient number, since it is larger than the sum of its proper divisors (20608287).

38191713 is a wasteful number, since it uses less digits than its factorization.

38191713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18856.

The product of its digits is 4536, while the sum is 33.

The square root of 38191713 is about 6179.9444172258. The cubic root of 38191713 is about 336.7619735834.

The spelling of 38191713 in words is "thirty-eight million, one hundred ninety-one thousand, seven hundred thirteen".