238199240 has 32 divisors (see below), whose sum is σ = 567476280. Its totient is φ = 89674752.

The previous prime is 238199239. The next prime is 238199261. The reversal of 238199240 is 42991832.

It can be written as a sum of positive squares in 4 ways, for example, as 235991044 + 2208196 = 15362^2 + 1486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 238199194 and 238199203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174467 + ... + 175826.

Almost surely, 2^238199240 is an apocalyptic number.

238199240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238199240 is an abundant number, since it is smaller than the sum of its proper divisors (329277040).

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

238199240 is a wasteful number, since it uses less digits than its factorization.

238199240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350321 (or 350317 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 238199240 is about 15433.7046751582. The cubic root of 238199240 is about 619.8883253598. Note that the first 3 decimals are identical.

The spelling of 238199240 in words is "two hundred thirty-eight million, one hundred ninety-nine thousand, two hundred forty".