38816839 has 2 divisors, whose sum is σ = 38816840. Its totient is φ = 38816838.

The previous prime is 38816821. The next prime is 38816857. The reversal of 38816839 is 93861883.

It is a balanced prime because it is at equal distance from previous prime (38816821) and next prime (38816857).

It is a cyclic number.

It is not a de Polignac number, because 38816839 - 2¹³ = 38808647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38816809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19408419 + 19408420.

It is an arithmetic number, because the mean of its divisors is an integer number (19408420).

Almost surely, 2^38816839 is an apocalyptic number.

38816839 is a deficient number, since it is larger than the sum of its proper divisors (1).

38816839 is an equidigital number, since it uses as much as digits as its factorization.

38816839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 38816839 is about 6230.3161236008. The cubic root of 38816839 is about 338.5894241288.

The spelling of 38816839 in words is "thirty-eight million, eight hundred sixteen thousand, eight hundred thirty-nine".