238867273 has 2 divisors, whose sum is σ = 238867274. Its totient is φ = 238867272.

The previous prime is 238867243. The next prime is 238867283. The reversal of 238867273 is 372768832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227496889 + 11370384 = 15083^2 + 3372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238867273 is a prime.

It is a super-2 number, since 2×238867273² = 114115148220913058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238867243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119433636 + 119433637.

It is an arithmetic number, because the mean of its divisors is an integer number (119433637).

Almost surely, 2^238867273 is an apocalyptic number.

It is an amenable number.

238867273 is a deficient number, since it is larger than the sum of its proper divisors (1).

238867273 is an equidigital number, since it uses as much as digits as its factorization.

238867273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 238867273 is about 15455.3315396338. The cubic root of 238867273 is about 620.4672795410.

The spelling of 238867273 in words is "two hundred thirty-eight million, eight hundred sixty-seven thousand, two hundred seventy-three".