238702838 has 16 divisors (see below), whose sum is σ = 394635024. Its totient is φ = 107381760.

The previous prime is 238702837. The next prime is 238702853. The reversal of 238702838 is 838207832.

It is a junction number, because it is equal to n+sod(n) for n = 238702795 and 238702804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238702837) 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, 53795 + ... + 58062.

It is an arithmetic number, because the mean of its divisors is an integer number (24664689).

Almost surely, 2^238702838 is an apocalyptic number.

238702838 is a deficient number, since it is larger than the sum of its proper divisors (155932186).

238702838 is a wasteful number, since it uses less digits than its factorization.

238702838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111967.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 238702838 is about 15450.0109385075. The cubic root of 238702838 is about 620.3248713655.

The spelling of 238702838 in words is "two hundred thirty-eight million, seven hundred two thousand, eight hundred thirty-eight".