38641091 has 2 divisors, whose sum is σ = 38641092. Its totient is φ = 38641090.

The previous prime is 38641073. The next prime is 38641123. The reversal of 38641091 is 19014683.

It is a happy number.

It is an a-pointer prime, because the next prime (38641123) can be obtained adding 38641091 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38641091 - 2¹⁰ = 38640067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38641591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19320545 + 19320546.

It is an arithmetic number, because the mean of its divisors is an integer number (19320546).

Almost surely, 2^38641091 is an apocalyptic number.

38641091 is a deficient number, since it is larger than the sum of its proper divisors (1).

38641091 is an equidigital number, since it uses as much as digits as its factorization.

38641091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 38641091 is about 6216.1958624226. The cubic root of 38641091 is about 338.0776492586.

The spelling of 38641091 in words is "thirty-eight million, six hundred forty-one thousand, ninety-one".