238097907 has 16 divisors (see below), whose sum is σ = 354120480. Its totient is φ = 158109696.

The previous prime is 238097897. The next prime is 238097957. The reversal of 238097907 is 709790832.

It is not a de Polignac number, because 238097907 - 2²⁴ = 221320691 is a prime.

It is a super-2 number, since 2×238097907² = 113381226635561298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238097957) 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, 10218 + ... + 24095.

It is an arithmetic number, because the mean of its divisors is an integer number (22132530).

Almost surely, 2^238097907 is an apocalyptic number.

238097907 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

238097907 is a deficient number, since it is larger than the sum of its proper divisors (116022573).

238097907 is a wasteful number, since it uses less digits than its factorization.

238097907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34579 (or 34573 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 238097907 is about 15430.4214783654. The cubic root of 238097907 is about 619.8004100874.

The spelling of 238097907 in words is "two hundred thirty-eight million, ninety-seven thousand, nine hundred seven".