8038649 has 2 divisors, whose sum is σ = 8038650. Its totient is φ = 8038648.

The previous prime is 8038631. The next prime is 8038651. The reversal of 8038649 is 9468308.

8038649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 310249 = 2780^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 8038649 - 2¹² = 8034553 is a prime.

Together with 8038651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8038609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4019324 + 4019325.

It is an arithmetic number, because the mean of its divisors is an integer number (4019325).

Almost surely, 2^8038649 is an apocalyptic number.

It is an amenable number.

8038649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8038649 is an equidigital number, since it uses as much as digits as its factorization.

8038649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8038649 is about 2835.2511352612. The cubic root of 8038649 is about 200.3215577261.

The spelling of 8038649 in words is "eight million, thirty-eight thousand, six hundred forty-nine".