38094649 has 2 divisors, whose sum is σ = 38094650. Its totient is φ = 38094648.

The previous prime is 38094643. The next prime is 38094697. The reversal of 38094649 is 94649083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31809600 + 6285049 = 5640^2 + 2507^2 .

It is an emirp because it is prime and its reverse (94649083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38094649 - 2⁹ = 38094137 is a prime.

It is not a weakly prime, because it can be changed into another prime (38094643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19047324 + 19047325.

It is an arithmetic number, because the mean of its divisors is an integer number (19047325).

Almost surely, 2^38094649 is an apocalyptic number.

It is an amenable number.

38094649 is a deficient number, since it is larger than the sum of its proper divisors (1).

38094649 is an equidigital number, since it uses as much as digits as its factorization.

38094649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 38094649 is about 6172.0862761306. The cubic root of 38094649 is about 336.4764387343.

The spelling of 38094649 in words is "thirty-eight million, ninety-four thousand, six hundred forty-nine".