238700007 has 32 divisors (see below), whose sum is σ = 435240960. Its totient is φ = 125906400.

The previous prime is 238699997. The next prime is 238700027. The reversal of 238700007 is 700007832.

It is not a de Polignac number, because 238700007 - 2¹⁰ = 238698983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238700027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46119 + ... + 51032.

It is an arithmetic number, because the mean of its divisors is an integer number (13601280).

Almost surely, 2^238700007 is an apocalyptic number.

238700007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

238700007 is a deficient number, since it is larger than the sum of its proper divisors (196540953).

238700007 is a wasteful number, since it uses less digits than its factorization.

238700007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97180 (or 97174 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 238700007 is about 15449.9193201777. The cubic root of 238700007 is about 620.3224190184.

Adding to 238700007 its reverse (700007832), we get a palindrome (938707839).

The spelling of 238700007 in words is "two hundred thirty-eight million, seven hundred thousand, seven".