238474089 has 12 divisors (see below), whose sum is σ = 393671616. Its totient is φ = 136270872.

The previous prime is 238474069. The next prime is 238474091. The reversal of 238474089 is 980474832.

238474089 is a `hidden beast` number, since 238 + 4 + 7 + 408 + 9 = 666.

It is not a de Polignac number, because 238474089 - 2⁹ = 238473577 is a prime.

It is a super-2 number, since 2×238474089² = 113739782248759842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (238474039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1892589 + ... + 1892714.

It is an arithmetic number, because the mean of its divisors is an integer number (32805968).

Almost surely, 2^238474089 is an apocalyptic number.

It is an amenable number.

238474089 is a deficient number, since it is larger than the sum of its proper divisors (155197527).

238474089 is a wasteful number, since it uses less digits than its factorization.

238474089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785316 (or 3785313 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 238474089 is about 15442.6062890951. The cubic root of 238474089 is about 620.1266555329.

The spelling of 238474089 in words is "two hundred thirty-eight million, four hundred seventy-four thousand, eighty-nine".