238219873 has 2 divisors, whose sum is σ = 238219874. Its totient is φ = 238219872.

The previous prime is 238219867. The next prime is 238219879. The reversal of 238219873 is 378912832.

238219873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (238219867) and next prime (238219879).

It can be written as a sum of positive squares in only one way, i.e., 145733184 + 92486689 = 12072^2 + 9617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238219873 is a prime.

It is a super-2 number, since 2×238219873² = 113497415784272258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238219879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119109936 + 119109937.

It is an arithmetic number, because the mean of its divisors is an integer number (119109937).

Almost surely, 2^238219873 is an apocalyptic number.

It is an amenable number.

238219873 is a deficient number, since it is larger than the sum of its proper divisors (1).

238219873 is an equidigital number, since it uses as much as digits as its factorization.

238219873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 238219873 is about 15434.3731003238. The cubic root of 238219873 is about 619.9062232430.

The spelling of 238219873 in words is "two hundred thirty-eight million, two hundred nineteen thousand, eight hundred seventy-three".