238585146 has 16 divisors (see below), whose sum is σ = 493624800. Its totient is φ = 76785968.

The previous prime is 238585133. The next prime is 238585153. The reversal of 238585146 is 641585832.

It is a junction number, because it is equal to n+sod(n) for n = 238585098 and 238585107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685416 + ... + 685763.

It is an arithmetic number, because the mean of its divisors is an integer number (30851550).

Almost surely, 2^238585146 is an apocalyptic number.

238585146 is an abundant number, since it is smaller than the sum of its proper divisors (255039654).

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

238585146 is a wasteful number, since it uses less digits than its factorization.

238585146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371213.

The product of its digits is 230400, while the sum is 42.

The square root of 238585146 is about 15446.2016690188. The cubic root of 238585146 is about 620.2229045891. Note that the first 3 decimals are identical.

The spelling of 238585146 in words is "two hundred thirty-eight million, five hundred eighty-five thousand, one hundred forty-six".