238191448 has 64 divisors (see below), whose sum is σ = 524937600. Its totient is φ = 100154880.

The previous prime is 238191419. The next prime is 238191461. The reversal of 238191448 is 844191832.

It is a self number, because there is not a number n which added to its sum of digits gives 238191448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70240 + ... + 73552.

It is an arithmetic number, because the mean of its divisors is an integer number (8202150).

Almost surely, 2^238191448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238191448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262468800).

238191448 is an abundant number, since it is smaller than the sum of its proper divisors (286746152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238191448 is a wasteful number, since it uses less digits than its factorization.

238191448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392 (or 3388 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 238191448 is about 15433.4522385628. The cubic root of 238191448 is about 619.8815660008.

The spelling of 238191448 in words is "two hundred thirty-eight million, one hundred ninety-one thousand, four hundred forty-eight".