238471434 has 12 divisors (see below), whose sum is σ = 516688146. Its totient is φ = 79490472.

The previous prime is 238471423. The next prime is 238471439. The reversal of 238471434 is 434174832.

It can be written as a sum of positive squares in only one way, i.e., 233998209 + 4473225 = 15297^2 + 2115^2 .

It is not an unprimeable number, because it can be changed into a prime (238471439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6624189 + ... + 6624224.

Almost surely, 2^238471434 is an apocalyptic number.

238471434 is an abundant number, since it is smaller than the sum of its proper divisors (278216712).

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

238471434 is a wasteful number, since it uses less digits than its factorization.

238471434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248421 (or 13248418 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 238471434 is about 15442.5203253873. The cubic root of 238471434 is about 620.1243541754.

It can be divided in two parts, 23847 and 1434, that added together give a square (25281 = 159²).

The spelling of 238471434 in words is "two hundred thirty-eight million, four hundred seventy-one thousand, four hundred thirty-four".