38081807 has 2 divisors, whose sum is σ = 38081808. Its totient is φ = 38081806.

The previous prime is 38081803. The next prime is 38081809. The reversal of 38081807 is 70818083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38081807 - 2² = 38081803 is a prime.

Together with 38081809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38081801) 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, 19040903 + 19040904.

It is an arithmetic number, because the mean of its divisors is an integer number (19040904).

Almost surely, 2^38081807 is an apocalyptic number.

38081807 is a deficient number, since it is larger than the sum of its proper divisors (1).

38081807 is an equidigital number, since it uses as much as digits as its factorization.

38081807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 38081807 is about 6171.0458594958. The cubic root of 38081807 is about 336.4386248839.

The spelling of 38081807 in words is "thirty-eight million, eighty-one thousand, eight hundred seven".