238330489 has 4 divisors (see below), whose sum is σ = 239565556. Its totient is φ = 237095424.

The previous prime is 238330487. The next prime is 238330493. The reversal of 238330489 is 984033832.

238330489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113784889 + 124545600 = 10667^2 + 11160^2 .

It is a cyclic number.

It is not a de Polignac number, because 238330489 - 2¹ = 238330487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238330487) 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, 617244 + ... + 617629.

It is an arithmetic number, because the mean of its divisors is an integer number (59891389).

Almost surely, 2^238330489 is an apocalyptic number.

It is an amenable number.

238330489 is a deficient number, since it is larger than the sum of its proper divisors (1235067).

238330489 is a wasteful number, since it uses less digits than its factorization.

238330489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235066.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 238330489 is about 15437.9561147193. The cubic root of 238330489 is about 620.0021583345.

The spelling of 238330489 in words is "two hundred thirty-eight million, three hundred thirty thousand, four hundred eighty-nine".