38660005 has 16 divisors (see below), whose sum is σ = 48372480. Its totient is φ = 29633472.

The previous prime is 38659981. The next prime is 38660021. The reversal of 38660005 is 50006683.

It is a cyclic number.

It is not a de Polignac number, because 38660005 - 2⁷ = 38659877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10836 + ... + 13954.

It is an arithmetic number, because the mean of its divisors is an integer number (3023280).

Almost surely, 2^38660005 is an apocalyptic number.

It is an amenable number.

38660005 is a deficient number, since it is larger than the sum of its proper divisors (9712475).

38660005 is a wasteful number, since it uses less digits than its factorization.

38660005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 38660005 is about 6217.7170247608. The cubic root of 38660005 is about 338.1328008901.

Adding to 38660005 its reverse (50006683), we get a palindrome (88666688).

The spelling of 38660005 in words is "thirty-eight million, six hundred sixty thousand, five".