38808907 has 2 divisors, whose sum is σ = 38808908. Its totient is φ = 38808906.

The previous prime is 38808901. The next prime is 38808923. The reversal of 38808907 is 70980883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38808907 - 2¹⁵ = 38776139 is a prime.

It is a super-2 number, since 2×38808907² = 3012262525069298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38808901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19404453 + 19404454.

It is an arithmetic number, because the mean of its divisors is an integer number (19404454).

Almost surely, 2^38808907 is an apocalyptic number.

38808907 is a deficient number, since it is larger than the sum of its proper divisors (1).

38808907 is an equidigital number, since it uses as much as digits as its factorization.

38808907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 38808907 is about 6229.6795262678. The cubic root of 38808907 is about 338.5663596175.

The spelling of 38808907 in words is "thirty-eight million, eight hundred eight thousand, nine hundred seven".