238747 has 2 divisors, whose sum is σ = 238748. Its totient is φ = 238746.

The previous prime is 238729. The next prime is 238759. The reversal of 238747 is 747832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238747 - 2¹¹ = 236699 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 238747.

It is not a weakly prime, because it can be changed into another prime (238727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119373 + 119374.

It is an arithmetic number, because the mean of its divisors is an integer number (119374).

2²³⁸⁷⁴⁷ is an apocalyptic number.

238747 is a deficient number, since it is larger than the sum of its proper divisors (1).

238747 is an equidigital number, since it uses as much as digits as its factorization.

238747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 238747 is about 488.6174372656. The cubic root of 238747 is about 62.0363124084.

The spelling of 238747 in words is "two hundred thirty-eight thousand, seven hundred forty-seven".