238734255 has 16 divisors (see below), whose sum is σ = 394297344. Its totient is φ = 123217440.

The previous prime is 238734233. The next prime is 238734257. The reversal of 238734255 is 552437832.

It is not a de Polignac number, because 238734255 - 2¹² = 238730159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238734257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256239 + ... + 257168.

It is an arithmetic number, because the mean of its divisors is an integer number (24643584).

Almost surely, 2^238734255 is an apocalyptic number.

238734255 is a deficient number, since it is larger than the sum of its proper divisors (155563089).

238734255 is a wasteful number, since it uses less digits than its factorization.

238734255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513446.

The product of its digits is 201600, while the sum is 39.

The square root of 238734255 is about 15451.0276357270. The cubic root of 238734255 is about 620.3520849667.

The spelling of 238734255 in words is "two hundred thirty-eight million, seven hundred thirty-four thousand, two hundred fifty-five".