238443447 has 24 divisors (see below), whose sum is σ = 352607472. Its totient is φ = 143207680.

The previous prime is 238443437. The next prime is 238443487. The reversal of 238443447 is 744344832.

It is not a de Polignac number, because 238443447 - 2¹² = 238439351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238443437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38113 + ... + 43925.

It is an arithmetic number, because the mean of its divisors is an integer number (14691978).

Almost surely, 2^238443447 is an apocalyptic number.

238443447 is a deficient number, since it is larger than the sum of its proper divisors (114164025).

238443447 is a wasteful number, since it uses less digits than its factorization.

238443447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951 (or 5940 counting only the distinct ones).

The product of its digits is 258048, while the sum is 39.

The square root of 238443447 is about 15441.6141319488. The cubic root of 238443447 is about 620.1000939681.

The spelling of 238443447 in words is "two hundred thirty-eight million, four hundred forty-three thousand, four hundred forty-seven".