38041691 has 2 divisors, whose sum is σ = 38041692. Its totient is φ = 38041690.

The previous prime is 38041589. The next prime is 38041693. The reversal of 38041691 is 19614083.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38041691 is a prime.

Together with 38041693, 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 (38041693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19020845 + 19020846.

It is an arithmetic number, because the mean of its divisors is an integer number (19020846).

Almost surely, 2^38041691 is an apocalyptic number.

38041691 is a deficient number, since it is larger than the sum of its proper divisors (1).

38041691 is an equidigital number, since it uses as much as digits as its factorization.

38041691 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 38041691 is about 6167.7946626002. The cubic root of 38041691 is about 336.3204467224.

The spelling of 38041691 in words is "thirty-eight million, forty-one thousand, six hundred ninety-one".