238409605 has 32 divisors (see below), whose sum is σ = 345936384. Its totient is φ = 154192896.

The previous prime is 238409599. The next prime is 238409617. The reversal of 238409605 is 506904832.

It is a cyclic number.

It is not a de Polignac number, because 238409605 - 2⁷ = 238409477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56737 + ... + 60793.

It is an arithmetic number, because the mean of its divisors is an integer number (10810512).

Almost surely, 2^238409605 is an apocalyptic number.

It is an amenable number.

238409605 is a deficient number, since it is larger than the sum of its proper divisors (107526779).

238409605 is a wasteful number, since it uses less digits than its factorization.

238409605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 238409605 is about 15440.5182879332. The cubic root of 238409605 is about 620.0707558860.

The spelling of 238409605 in words is "two hundred thirty-eight million, four hundred nine thousand, six hundred five".