238584066 has 32 divisors (see below), whose sum is σ = 560077440. Its totient is φ = 66324096.

The previous prime is 238584041. The next prime is 238584089. The reversal of 238584066 is 660485832.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75211 + ... + 78318.

It is an arithmetic number, because the mean of its divisors is an integer number (17502420).

Almost surely, 2^238584066 is an apocalyptic number.

238584066 is an abundant number, since it is smaller than the sum of its proper divisors (321493374).

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

238584066 is a wasteful number, since it uses less digits than its factorization.

238584066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153578.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 238584066 is about 15446.1667089281. The cubic root of 238584066 is about 620.2219687362.

The spelling of 238584066 in words is "two hundred thirty-eight million, five hundred eighty-four thousand, sixty-six".