238905043 has 8 divisors (see below), whose sum is σ = 257435136. Its totient is φ = 220396800.

The previous prime is 238905019. The next prime is 238905047. The reversal of 238905043 is 340509832.

It is a happy number.

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

It is not a de Polignac number, because 238905043 - 2⁵ = 238905011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238905047) by changing a digit.

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, 22638 + ... + 31468.

It is an arithmetic number, because the mean of its divisors is an integer number (32179392).

Almost surely, 2^238905043 is an apocalyptic number.

238905043 is a deficient number, since it is larger than the sum of its proper divisors (18530093).

238905043 is a wasteful number, since it uses less digits than its factorization.

238905043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 238905043 is about 15456.5533997719. The cubic root of 238905043 is about 620.4999808452.

The spelling of 238905043 in words is "two hundred thirty-eight million, nine hundred five thousand, forty-three".