38814091 has 2 divisors, whose sum is σ = 38814092. Its totient is φ = 38814090.

The previous prime is 38814089. The next prime is 38814103. The reversal of 38814091 is 19041883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38814091 - 2¹ = 38814089 is a prime.

Together with 38814089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38814691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19407045 + 19407046.

It is an arithmetic number, because the mean of its divisors is an integer number (19407046).

Almost surely, 2^38814091 is an apocalyptic number.

38814091 is a deficient number, since it is larger than the sum of its proper divisors (1).

38814091 is an equidigital number, since it uses as much as digits as its factorization.

38814091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 38814091 is about 6230.0955851415. The cubic root of 38814091 is about 338.5814339050.

The spelling of 38814091 in words is "thirty-eight million, eight hundred fourteen thousand, ninety-one".