238331799 has 6 divisors (see below), whose sum is σ = 344257056. Its totient is φ = 158887860.

The previous prime is 238331759. The next prime is 238331851. The reversal of 238331799 is 997133832.

It is not a de Polignac number, because 238331799 - 2¹² = 238327703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238331759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13240647 + ... + 13240664.

It is an arithmetic number, because the mean of its divisors is an integer number (57376176).

Almost surely, 2^238331799 is an apocalyptic number.

238331799 is a deficient number, since it is larger than the sum of its proper divisors (105925257).

238331799 is a wasteful number, since it uses less digits than its factorization.

238331799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26481317 (or 26481314 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 238331799 is about 15437.9985425573. The cubic root of 238331799 is about 620.0032942940.

Adding to 238331799 its sum of digits (45), we get a square (238331844 = 15438²).

The spelling of 238331799 in words is "two hundred thirty-eight million, three hundred thirty-one thousand, seven hundred ninety-nine".