238625347 has 4 divisors (see below), whose sum is σ = 238656880. Its totient is φ = 238593816.

The previous prime is 238625341. The next prime is 238625357. The reversal of 238625347 is 743526832.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(238625347) divides (238625347-1)³.

It is a cyclic number.

It is not a de Polignac number, because 238625347 - 2³ = 238625339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238625341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3154 + ... + 22072.

It is an arithmetic number, because the mean of its divisors is an integer number (59664220).

Almost surely, 2^238625347 is an apocalyptic number.

238625347 is the 12613-rd pentagonal number.

238625347 is a deficient number, since it is larger than the sum of its proper divisors (31533).

238625347 is a wasteful number, since it uses less digits than its factorization.

238625347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31532.

The product of its digits is 241920, while the sum is 40.

The square root of 238625347 is about 15447.5029373682. The cubic root of 238625347 is about 620.2577379684.

The spelling of 238625347 in words is "two hundred thirty-eight million, six hundred twenty-five thousand, three hundred forty-seven".