238784697 has 12 divisors (see below), whose sum is σ = 353324244. Its totient is φ = 155306880.

The previous prime is 238784681. The next prime is 238784699. The reversal of 238784697 is 796487832.

It can be written as a sum of positive squares in 2 ways, for example, as 131537961 + 107246736 = 11469^2 + 10356^2 .

It is not a de Polignac number, because 238784697 - 2⁴ = 238784681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238784699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323188 + ... + 323925.

It is an arithmetic number, because the mean of its divisors is an integer number (29443687).

Almost surely, 2^238784697 is an apocalyptic number.

It is an amenable number.

238784697 is a deficient number, since it is larger than the sum of its proper divisors (114539547).

238784697 is a wasteful number, since it uses less digits than its factorization.

238784697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647160 (or 647157 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 238784697 is about 15452.6598681263. The cubic root of 238784697 is about 620.3957731481.

The spelling of 238784697 in words is "two hundred thirty-eight million, seven hundred eighty-four thousand, six hundred ninety-seven".