238130434 has 8 divisors (see below), whose sum is σ = 358070220. Its totient is φ = 118773696.

The previous prime is 238130429. The next prime is 238130467. The reversal of 238130434 is 434031832.

It can be written as a sum of positive squares in 2 ways, for example, as 237930625 + 199809 = 15425^2 + 447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×238130434² = 113412207194056712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144739 + ... + 146374.

Almost surely, 2^238130434 is an apocalyptic number.

238130434 is a deficient number, since it is larger than the sum of its proper divisors (119939786).

238130434 is a wasteful number, since it uses less digits than its factorization.

238130434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291524.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 238130434 is about 15431.4754317272. The cubic root of 238130434 is about 619.8286328330.

The spelling of 238130434 in words is "two hundred thirty-eight million, one hundred thirty thousand, four hundred thirty-four".