238484997 has 6 divisors (see below), whose sum is σ = 344478342. Its totient is φ = 158989992.

The previous prime is 238484989. The next prime is 238485019. The reversal of 238484997 is 799484832.

It can be written as a sum of positive squares in only one way, i.e., 238424481 + 60516 = 15441^2 + 246^2 .

It is not a de Polignac number, because 238484997 - 2³ = 238484989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238484947) 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, 13249158 + ... + 13249175.

It is an arithmetic number, because the mean of its divisors is an integer number (57413057).

Almost surely, 2^238484997 is an apocalyptic number.

It is an amenable number.

238484997 is a deficient number, since it is larger than the sum of its proper divisors (105993345).

238484997 is a wasteful number, since it uses less digits than its factorization.

238484997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26498339 (or 26498336 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 238484997 is about 15442.9594637815. The cubic root of 238484997 is about 620.1361104223.

The spelling of 238484997 in words is "two hundred thirty-eight million, four hundred eighty-four thousand, nine hundred ninety-seven".