238416961 has 2 divisors, whose sum is σ = 238416962. Its totient is φ = 238416960.

The previous prime is 238416929. The next prime is 238416967. The reversal of 238416961 is 169614832.

238416961 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., 222576561 + 15840400 = 14919^2 + 3980^2 .

It is a cyclic number.

It is not a de Polignac number, because 238416961 - 2⁵ = 238416929 is a prime.

It is not a weakly prime, because it can be changed into another prime (238416967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119208480 + 119208481.

It is an arithmetic number, because the mean of its divisors is an integer number (119208481).

Almost surely, 2^238416961 is an apocalyptic number.

It is an amenable number.

238416961 is a deficient number, since it is larger than the sum of its proper divisors (1).

238416961 is an equidigital number, since it uses as much as digits as its factorization.

238416961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 238416961 is about 15440.7564905350. The cubic root of 238416961 is about 620.0771331369.

The spelling of 238416961 in words is "two hundred thirty-eight million, four hundred sixteen thousand, nine hundred sixty-one".