38414891 has 2 divisors, whose sum is σ = 38414892. Its totient is φ = 38414890.

The previous prime is 38414869. The next prime is 38414923. The reversal of 38414891 is 19841483.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38414891 is a prime.

It is not a weakly prime, because it can be changed into another prime (38414851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19207445 + 19207446.

It is an arithmetic number, because the mean of its divisors is an integer number (19207446).

Almost surely, 2^38414891 is an apocalyptic number.

38414891 is a deficient number, since it is larger than the sum of its proper divisors (1).

38414891 is an equidigital number, since it uses as much as digits as its factorization.

38414891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 38414891 is about 6197.9747498679. The cubic root of 38414891 is about 337.4166700537.

The spelling of 38414891 in words is "thirty-eight million, four hundred fourteen thousand, eight hundred ninety-one".