38853989 has 2 divisors, whose sum is σ = 38853990. Its totient is φ = 38853988.

The previous prime is 38853979. The next prime is 38854009. The reversal of 38853989 is 98935883.

It is a happy number.

38853989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25421764 + 13432225 = 5042^2 + 3665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38853989 is a prime.

It is a super-2 number, since 2×38853989² = 3019264922424242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38853989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38853949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19426994 + 19426995.

It is an arithmetic number, because the mean of its divisors is an integer number (19426995).

Almost surely, 2^38853989 is an apocalyptic number.

It is an amenable number.

38853989 is a deficient number, since it is larger than the sum of its proper divisors (1).

38853989 is an equidigital number, since it uses as much as digits as its factorization.

38853989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 53.

The square root of 38853989 is about 6233.2968002494. The cubic root of 38853989 is about 338.6974063581.

The spelling of 38853989 in words is "thirty-eight million, eight hundred fifty-three thousand, nine hundred eighty-nine".