238014857 has 2 divisors, whose sum is σ = 238014858. Its totient is φ = 238014856.

The previous prime is 238014851. The next prime is 238014871. The reversal of 238014857 is 758410832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233600656 + 4414201 = 15284^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 238014857 - 2⁶ = 238014793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238014857.

It is not a weakly prime, because it can be changed into another prime (238014851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119007428 + 119007429.

It is an arithmetic number, because the mean of its divisors is an integer number (119007429).

Almost surely, 2^238014857 is an apocalyptic number.

It is an amenable number.

238014857 is a deficient number, since it is larger than the sum of its proper divisors (1).

238014857 is an equidigital number, since it uses as much as digits as its factorization.

238014857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 238014857 is about 15427.7301311632. The cubic root of 238014857 is about 619.7283383211.

The spelling of 238014857 in words is "two hundred thirty-eight million, fourteen thousand, eight hundred fifty-seven".