238839948 has 24 divisors (see below), whose sum is σ = 619214960. Its totient is φ = 79613280.

The previous prime is 238839941. The next prime is 238839959. The reversal of 238839948 is 849938832.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 238839894 and 238839903.

It is not an unprimeable number, because it can be changed into a prime (238839941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105633 + ... + 1105848.

Almost surely, 2^238839948 is an apocalyptic number.

It is an amenable number.

238839948 is an abundant number, since it is smaller than the sum of its proper divisors (380375012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238839948 is a wasteful number, since it uses less digits than its factorization.

238839948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211494 (or 2211486 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 238839948 is about 15454.4475151977. The cubic root of 238839948 is about 620.4436193792.

The spelling of 238839948 in words is "two hundred thirty-eight million, eight hundred thirty-nine thousand, nine hundred forty-eight".