38981183 has 2 divisors, whose sum is σ = 38981184. Its totient is φ = 38981182.

The previous prime is 38981171. The next prime is 38981213. The reversal of 38981183 is 38118983.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38981183 - 2⁸ = 38980927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38981183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38981143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19490591 + 19490592.

It is an arithmetic number, because the mean of its divisors is an integer number (19490592).

Almost surely, 2^38981183 is an apocalyptic number.

38981183 is a deficient number, since it is larger than the sum of its proper divisors (1).

38981183 is an equidigital number, since it uses as much as digits as its factorization.

38981183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 38981183 is about 6243.4912508948. The cubic root of 38981183 is about 339.0665949926.

The spelling of 38981183 in words is "thirty-eight million, nine hundred eighty-one thousand, one hundred eighty-three".