238949307 has 12 divisors (see below), whose sum is σ = 345645040. Its totient is φ = 159070608.

The previous prime is 238949303. The next prime is 238949309. The reversal of 238949307 is 703949832.

It is a happy number.

It is not a de Polignac number, because 238949307 - 2² = 238949303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238949303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12343 + ... + 25104.

Almost surely, 2^238949307 is an apocalyptic number.

238949307 is a deficient number, since it is larger than the sum of its proper divisors (106695733).

238949307 is a wasteful number, since it uses less digits than its factorization.

238949307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38162 (or 38159 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 238949307 is about 15457.9852180030. The cubic root of 238949307 is about 620.5383002749.

The spelling of 238949307 in words is "two hundred thirty-eight million, nine hundred forty-nine thousand, three hundred seven".