38081005 has 12 divisors (see below), whose sum is σ = 46920636. Its totient is φ = 29652800.

The previous prime is 38080993. The next prime is 38081009. The reversal of 38081005 is 50018083.

It can be written as a sum of positive squares in 2 ways, for example, as 6687396 + 31393609 = 2586^2 + 5603^2 .

It is not a de Polignac number, because 38081005 - 2⁷ = 38080877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38081009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88140 + ... + 88570.

It is an arithmetic number, because the mean of its divisors is an integer number (3910053).

Almost surely, 2^38081005 is an apocalyptic number.

It is an amenable number.

38081005 is a deficient number, since it is larger than the sum of its proper divisors (8839631).

38081005 is an frugal number, since it uses more digits than its factorization.

38081005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 38081005 is about 6170.9808782721. The cubic root of 38081005 is about 336.4362630766.

Adding to 38081005 its reverse (50018083), we get a palindrome (88099088).

The spelling of 38081005 in words is "thirty-eight million, eighty-one thousand, five".