238483591 has 2 divisors, whose sum is σ = 238483592. Its totient is φ = 238483590.

The previous prime is 238483579. The next prime is 238483601. The reversal of 238483591 is 195384832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238483591 - 2²⁵ = 204929159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238483561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119241795 + 119241796.

It is an arithmetic number, because the mean of its divisors is an integer number (119241796).

Almost surely, 2^238483591 is an apocalyptic number.

238483591 is a deficient number, since it is larger than the sum of its proper divisors (1).

238483591 is an equidigital number, since it uses as much as digits as its factorization.

238483591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 238483591 is about 15442.9139413519. The cubic root of 238483591 is about 620.1348917390.

The spelling of 238483591 in words is "two hundred thirty-eight million, four hundred eighty-three thousand, five hundred ninety-one".