238947 has 8 divisors (see below), whose sum is σ = 332544. Its totient is φ = 152328.

The previous prime is 238943. The next prime is 238949. The reversal of 238947 is 749832.

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

It is not a de Polignac number, because 238947 - 2² = 238943 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (238943) 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, 1663 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (41568).

2²³⁸⁹⁴⁷ is an apocalyptic number.

238947 is a deficient number, since it is larger than the sum of its proper divisors (93597).

238947 is a wasteful number, since it uses less digits than its factorization.

238947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its digits is 12096, while the sum is 33.

The square root of 238947 is about 488.8220535123. The cubic root of 238947 is about 62.0536303218.

The spelling of 238947 in words is "two hundred thirty-eight thousand, nine hundred forty-seven".