238844634 has 16 divisors (see below), whose sum is σ = 545930688. Its totient is φ = 68241312.

The previous prime is 238844629. The next prime is 238844653. The reversal of 238844634 is 436448832.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5686777 = 238844634 / (2 + 3 + 8 + 8 + 4 + 4 + 6 + 3 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2843347 + ... + 2843430.

It is an arithmetic number, because the mean of its divisors is an integer number (34120668).

Almost surely, 2^238844634 is an apocalyptic number.

238844634 is an abundant number, since it is smaller than the sum of its proper divisors (307086054).

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

238844634 is a wasteful number, since it uses less digits than its factorization.

238844634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686789.

The product of its digits is 442368, while the sum is 42.

The square root of 238844634 is about 15454.5991212972. The cubic root of 238844634 is about 620.4476770195.

The spelling of 238844634 in words is "two hundred thirty-eight million, eight hundred forty-four thousand, six hundred thirty-four".