238661033 has 32 divisors (see below), whose sum is σ = 283852800. Its totient is φ = 198676800.

The previous prime is 238660999. The next prime is 238661053. The reversal of 238661033 is 330166832.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238661033 is a prime.

It is a super-3 number, since 3×238661033³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (238661053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543428 + ... + 543866.

It is an arithmetic number, because the mean of its divisors is an integer number (8870400).

Almost surely, 2^238661033 is an apocalyptic number.

It is an amenable number.

238661033 is a deficient number, since it is larger than the sum of its proper divisors (45191767).

238661033 is a wasteful number, since it uses less digits than its factorization.

238661033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 238661033 is about 15448.6579676035. The cubic root of 238661033 is about 620.2886559110.

The spelling of 238661033 in words is "two hundred thirty-eight million, six hundred sixty-one thousand, thirty-three".