238685877 has 12 divisors (see below), whose sum is σ = 344989164. Its totient is φ = 159022080.

The previous prime is 238685873. The next prime is 238685893. The reversal of 238685877 is 778586832.

It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 227436561 = 3354^2 + 15081^2 .

It is not a de Polignac number, because 238685877 - 2² = 238685873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238685873) 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, 8053 + ... + 23285.

It is an arithmetic number, because the mean of its divisors is an integer number (28749097).

Almost surely, 2^238685877 is an apocalyptic number.

It is an amenable number.

238685877 is a deficient number, since it is larger than the sum of its proper divisors (106303287).

238685877 is a wasteful number, since it uses less digits than its factorization.

238685877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16980 (or 16977 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 238685877 is about 15449.4620294689. The cubic root of 238685877 is about 620.3101786490.

The spelling of 238685877 in words is "two hundred thirty-eight million, six hundred eighty-five thousand, eight hundred seventy-seven".