38097091 has 2 divisors, whose sum is σ = 38097092. Its totient is φ = 38097090.

The previous prime is 38097049. The next prime is 38097113. The reversal of 38097091 is 19079083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38097091 - 2¹³ = 38088899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38097091.

It is not a weakly prime, because it can be changed into another prime (38097491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19048545 + 19048546.

It is an arithmetic number, because the mean of its divisors is an integer number (19048546).

Almost surely, 2^38097091 is an apocalyptic number.

38097091 is a deficient number, since it is larger than the sum of its proper divisors (1).

38097091 is an equidigital number, since it uses as much as digits as its factorization.

38097091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 38097091 is about 6172.2840990998. The cubic root of 38097091 is about 336.4836283521.

The spelling of 38097091 in words is "thirty-eight million, ninety-seven thousand, ninety-one".