238421475 has 60 divisors (see below), whose sum is σ = 444268440. Its totient is φ = 126403200.

The previous prime is 238421471. The next prime is 238421483. The reversal of 238421475 is 574124832.

It is a happy number.

238421475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238421475 - 2² = 238421471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238421471) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 568816 + ... + 569234.

It is an arithmetic number, because the mean of its divisors is an integer number (7404474).

Almost surely, 2^238421475 is an apocalyptic number.

238421475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238421475 is a deficient number, since it is larger than the sum of its proper divisors (205846965).

238421475 is a wasteful number, since it uses less digits than its factorization.

238421475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 708 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 238421475 is about 15440.9026614379. The cubic root of 238421475 is about 620.0810464638.

The spelling of 238421475 in words is "two hundred thirty-eight million, four hundred twenty-one thousand, four hundred seventy-five".