238943775 has 48 divisors (see below), whose sum is σ = 458296064. Its totient is φ = 107585280.

The previous prime is 238943737. The next prime is 238943779. The reversal of 238943775 is 577349832.

It is not a de Polignac number, because 238943775 - 2¹⁴ = 238927391 is a prime.

It is a super-2 number, since 2×238943775² = 114188255222501250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238943779) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31779 + ... + 38571.

Almost surely, 2^238943775 is an apocalyptic number.

238943775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238943775 is a deficient number, since it is larger than the sum of its proper divisors (219352289).

238943775 is a wasteful number, since it uses less digits than its factorization.

238943775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880 (or 6875 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 238943775 is about 15457.8062803232. The cubic root of 238943775 is about 620.5335114707.

It can be divided in two parts, 2389 and 43775, that added together give a palindrome (46164).

The spelling of 238943775 in words is "two hundred thirty-eight million, nine hundred forty-three thousand, seven hundred seventy-five".