38116889 has 2 divisors, whose sum is σ = 38116890. Its totient is φ = 38116888.

The previous prime is 38116879. The next prime is 38116927. The reversal of 38116889 is 98861183.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27825625 + 10291264 = 5275^2 + 3208^2 .

It is a cyclic number.

It is not a de Polignac number, because 38116889 - 2²⁴ = 21339673 is a prime.

It is not a weakly prime, because it can be changed into another prime (38116879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19058444 + 19058445.

It is an arithmetic number, because the mean of its divisors is an integer number (19058445).

Almost surely, 2^38116889 is an apocalyptic number.

It is an amenable number.

38116889 is a deficient number, since it is larger than the sum of its proper divisors (1).

38116889 is an equidigital number, since it uses as much as digits as its factorization.

38116889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 44.

The square root of 38116889 is about 6173.8876730955. The cubic root of 38116889 is about 336.5419053235.

The spelling of 38116889 in words is "thirty-eight million, one hundred sixteen thousand, eight hundred eighty-nine".