238749 has 8 divisors (see below), whose sum is σ = 363840. Its totient is φ = 136416.

The previous prime is 238747. The next prime is 238759. The reversal of 238749 is 947832.

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

It is not a de Polignac number, because 238749 - 2¹ = 238747 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 3¹¹ + 7⁴ + 8 + 4² + 9⁵ .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238747) 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, 5664 + ... + 5705.

It is an arithmetic number, because the mean of its divisors is an integer number (45480).

2²³⁸⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

238749 is a deficient number, since it is larger than the sum of its proper divisors (125091).

238749 is a wasteful number, since it uses less digits than its factorization.

238749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11379.

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

The square root of 238749 is about 488.6194838522. The cubic root of 238749 is about 62.0364856354.

The spelling of 238749 in words is "two hundred thirty-eight thousand, seven hundred forty-nine".