238199807 has 12 divisors (see below), whose sum is σ = 247171680. Its totient is φ = 229448736.

The previous prime is 238199783. The next prime is 238199809. The reversal of 238199807 is 708991832.

It is not a de Polignac number, because 238199807 - 2⁶ = 238199743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238199809) 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, 210419 + ... + 211547.

It is an arithmetic number, because the mean of its divisors is an integer number (20597640).

Almost surely, 2^238199807 is an apocalyptic number.

238199807 is a deficient number, since it is larger than the sum of its proper divisors (8971873).

238199807 is an equidigital number, since it uses as much as digits as its factorization.

238199807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 238199807 is about 15433.7230440357. The cubic root of 238199807 is about 619.8888172119. Note that the first 4 decimals are identical.

The spelling of 238199807 in words is "two hundred thirty-eight million, one hundred ninety-nine thousand, eight hundred seven".