238658967 has 10 divisors (see below), whose sum is σ = 356515368. Its totient is φ = 159105924.

The previous prime is 238658957. The next prime is 238658977. The reversal of 238658967 is 769856832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (238658957) and next prime (238658977).

It is not a de Polignac number, because 238658967 - 2¹⁰ = 238657943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238658957) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1473123 + ... + 1473284.

Almost surely, 2^238658967 is an apocalyptic number.

238658967 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

238658967 is a deficient number, since it is larger than the sum of its proper divisors (117856401).

238658967 is an equidigital number, since it uses as much as digits as its factorization.

238658967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946419 (or 2946410 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 238658967 is about 15448.5911008092. The cubic root of 238658967 is about 620.2868660363.

The spelling of 238658967 in words is "two hundred thirty-eight million, six hundred fifty-eight thousand, nine hundred sixty-seven".