238687055 has 8 divisors (see below), whose sum is σ = 303273072. Its totient is φ = 179717248.

The previous prime is 238687049. The next prime is 238687061. The reversal of 238687055 is 550786832.

It is an interprime number because it is at equal distance from previous prime (238687049) and next prime (238687061).

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

It is a cyclic number.

It is not a de Polignac number, because 238687055 - 2⁴ = 238687039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238686997 and 238687015.

It is a congruent number.

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, 1403957 + ... + 1404126.

It is an arithmetic number, because the mean of its divisors is an integer number (37909134).

Almost surely, 2^238687055 is an apocalyptic number.

238687055 is a deficient number, since it is larger than the sum of its proper divisors (64586017).

238687055 is a wasteful number, since it uses less digits than its factorization.

238687055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808105.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 238687055 is about 15449.5001537267. The cubic root of 238687055 is about 620.3111991314.

It can be divided in two parts, 23868705 and 5, that multiplied together give a triangular number (119343525 = T₁₅₄₄₉).

The spelling of 238687055 in words is "two hundred thirty-eight million, six hundred eighty-seven thousand, fifty-five".