38885113 has 4 divisors (see below), whose sum is σ = 39936100. Its totient is φ = 37834128.

The previous prime is 38885089. The next prime is 38885149. The reversal of 38885113 is 31158883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31158883 = 7 ⋅4451269.

It can be written as a sum of positive squares in 2 ways, for example, as 37601424 + 1283689 = 6132^2 + 1133^2 .

It is not a de Polignac number, because 38885113 - 2¹⁷ = 38754041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1050949 = 38885113 / (3 + 8 + 8 + 8 + 5 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38885173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525438 + ... + 525511.

It is an arithmetic number, because the mean of its divisors is an integer number (9984025).

Almost surely, 2^38885113 is an apocalyptic number.

It is an amenable number.

38885113 is a deficient number, since it is larger than the sum of its proper divisors (1050987).

38885113 is a wasteful number, since it uses less digits than its factorization.

38885113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050986.

The product of its digits is 23040, while the sum is 37.

The square root of 38885113 is about 6235.7928926481. The cubic root of 38885113 is about 338.7878201080.

The spelling of 38885113 in words is "thirty-eight million, eight hundred eighty-five thousand, one hundred thirteen".