238284961 has 2 divisors, whose sum is σ = 238284962. Its totient is φ = 238284960.

The previous prime is 238284931. The next prime is 238284983. The reversal of 238284961 is 169482832.

238284961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135140625 + 103144336 = 11625^2 + 10156^2 .

It is a cyclic number.

It is not a de Polignac number, because 238284961 - 2¹⁹ = 237760673 is a prime.

It is not a weakly prime, because it can be changed into another prime (238284911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119142480 + 119142481.

It is an arithmetic number, because the mean of its divisors is an integer number (119142481).

Almost surely, 2^238284961 is an apocalyptic number.

It is an amenable number.

238284961 is a deficient number, since it is larger than the sum of its proper divisors (1).

238284961 is an equidigital number, since it uses as much as digits as its factorization.

238284961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 238284961 is about 15436.4814967660. The cubic root of 238284961 is about 619.9626763866.

The spelling of 238284961 in words is "two hundred thirty-eight million, two hundred eighty-four thousand, nine hundred sixty-one".