38801663 has 2 divisors, whose sum is σ = 38801664. Its totient is φ = 38801662.

The previous prime is 38801647. The next prime is 38801683. The reversal of 38801663 is 36610883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38801663 - 2⁴ = 38801647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38801683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19400831 + 19400832.

It is an arithmetic number, because the mean of its divisors is an integer number (19400832).

Almost surely, 2^38801663 is an apocalyptic number.

38801663 is a deficient number, since it is larger than the sum of its proper divisors (1).

38801663 is an equidigital number, since it uses as much as digits as its factorization.

38801663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38801663 is about 6229.0980888087. The cubic root of 38801663 is about 338.5452929131.

The spelling of 38801663 in words is "thirty-eight million, eight hundred one thousand, six hundred sixty-three".