238958947 has 8 divisors (see below), whose sum is σ = 245241360. Its totient is φ = 232698240.

The previous prime is 238958939. The next prime is 238958959. The reversal of 238958947 is 749859832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238958947 - 2³ = 238958939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238958047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18208 + ... + 28450.

It is an arithmetic number, because the mean of its divisors is an integer number (30655170).

Almost surely, 2^238958947 is an apocalyptic number.

238958947 is a deficient number, since it is larger than the sum of its proper divisors (6282413).

238958947 is a wasteful number, since it uses less digits than its factorization.

238958947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853.

The product of its digits is 4354560, while the sum is 55.

The square root of 238958947 is about 15458.2970278100. The cubic root of 238958947 is about 620.5466450139.

The spelling of 238958947 in words is "two hundred thirty-eight million, nine hundred fifty-eight thousand, nine hundred forty-seven".