270128238 has 32 divisors (see below), whose sum is σ = 568221696. Its totient is φ = 85444128.

The previous prime is 270128197. The next prime is 270128239. The reversal of 270128238 is 832821072.

It is a junction number, because it is equal to n+sod(n) for n = 270128199 and 270128208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270128239) 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 15 ways as a sum of consecutive naturals, for example, 9820 + ... + 25232.

It is an arithmetic number, because the mean of its divisors is an integer number (17756928).

Almost surely, 2^270128238 is an apocalyptic number.

270128238 is an abundant number, since it is smaller than the sum of its proper divisors (298093458).

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

270128238 is a wasteful number, since it uses less digits than its factorization.

270128238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15568.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 270128238 is about 16435.5784200009. The cubic root of 270128238 is about 646.4327168862.

The spelling of 270128238 in words is "two hundred seventy million, one hundred twenty-eight thousand, two hundred thirty-eight".