238054987 has 2 divisors, whose sum is σ = 238054988. Its totient is φ = 238054986.

The previous prime is 238054981. The next prime is 238055011. The reversal of 238054987 is 789450832.

238054987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238054987 - 2¹¹ = 238052939 is a prime.

It is not a weakly prime, because it can be changed into another prime (238054981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119027493 + 119027494.

It is an arithmetic number, because the mean of its divisors is an integer number (119027494).

Almost surely, 2^238054987 is an apocalyptic number.

238054987 is a deficient number, since it is larger than the sum of its proper divisors (1).

238054987 is an equidigital number, since it uses as much as digits as its factorization.

238054987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 238054987 is about 15429.0306565254. The cubic root of 238054987 is about 619.7631656998.

The spelling of 238054987 in words is "two hundred thirty-eight million, fifty-four thousand, nine hundred eighty-seven".