38197099 has 2 divisors, whose sum is σ = 38197100. Its totient is φ = 38197098.

The previous prime is 38197091. The next prime is 38197121. The reversal of 38197099 is 99079183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38197099 - 2³ = 38197091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38197091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19098549 + 19098550.

It is an arithmetic number, because the mean of its divisors is an integer number (19098550).

Almost surely, 2^38197099 is an apocalyptic number.

38197099 is a deficient number, since it is larger than the sum of its proper divisors (1).

38197099 is an equidigital number, since it uses as much as digits as its factorization.

38197099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 38197099 is about 6180.3801663005. The cubic root of 38197099 is about 336.7778034986. Note that the first 3 decimals are identical.

The spelling of 38197099 in words is "thirty-eight million, one hundred ninety-seven thousand, ninety-nine".