238380066 has 24 divisors (see below), whose sum is σ = 517705344. Its totient is φ = 79273080.

The previous prime is 238380041. The next prime is 238380071. The reversal of 238380066 is 660083832.

It is a self number, because there is not a number n which added to its sum of digits gives 238380066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7606 + ... + 23121.

It is an arithmetic number, because the mean of its divisors is an integer number (21571056).

Almost surely, 2^238380066 is an apocalyptic number.

238380066 is an abundant number, since it is smaller than the sum of its proper divisors (279325278).

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

238380066 is a wasteful number, since it uses less digits than its factorization.

238380066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31166 (or 31163 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 238380066 is about 15439.5617165773. The cubic root of 238380066 is about 620.0451458628.

The spelling of 238380066 in words is "two hundred thirty-eight million, three hundred eighty thousand, sixty-six".