238026405 has 8 divisors (see below), whose sum is σ = 380842272. Its totient is φ = 126947408.

The previous prime is 238026391. The next prime is 238026413. The reversal of 238026405 is 504620832.

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

It is a cyclic number.

It is not a de Polignac number, because 238026405 - 2¹⁶ = 237960869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7934199 + ... + 7934228.

It is an arithmetic number, because the mean of its divisors is an integer number (47605284).

Almost surely, 2^238026405 is an apocalyptic number.

It is an amenable number.

238026405 is a deficient number, since it is larger than the sum of its proper divisors (142815867).

238026405 is a wasteful number, since it uses less digits than its factorization.

238026405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15868435.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 238026405 is about 15428.1043877723. The cubic root of 238026405 is about 619.7383608147.

The spelling of 238026405 in words is "two hundred thirty-eight million, twenty-six thousand, four hundred five".