238992107 has 2 divisors, whose sum is σ = 238992108. Its totient is φ = 238992106.

The previous prime is 238992073. The next prime is 238992119. The reversal of 238992107 is 701299832.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238992107 - 2¹² = 238988011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238992167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119496053 + 119496054.

It is an arithmetic number, because the mean of its divisors is an integer number (119496054).

Almost surely, 2^238992107 is an apocalyptic number.

238992107 is a deficient number, since it is larger than the sum of its proper divisors (1).

238992107 is an equidigital number, since it uses as much as digits as its factorization.

238992107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 238992107 is about 15459.3695537690. The cubic root of 238992107 is about 620.5753478172.

The spelling of 238992107 in words is "two hundred thirty-eight million, nine hundred ninety-two thousand, one hundred seven".