233196381 has 32 divisors (see below), whose sum is σ = 382540800. Its totient is φ = 139209840.

The previous prime is 233196373. The next prime is 233196391. The reversal of 233196381 is 183691332.

233196381 is a `hidden beast` number, since 2 + 3 + 3 + 19 + 638 + 1 = 666.

It is not a de Polignac number, because 233196381 - 2³ = 233196373 is a prime.

It is a super-2 number, since 2×233196381² = 108761104222994322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233196371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14040 + ... + 25758.

It is an arithmetic number, because the mean of its divisors is an integer number (11954400).

Almost surely, 2^233196381 is an apocalyptic number.

It is an amenable number.

233196381 is a deficient number, since it is larger than the sum of its proper divisors (149344419).

233196381 is a wasteful number, since it uses less digits than its factorization.

233196381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11806 (or 11800 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 233196381 is about 15270.7688411553. The cubic root of 233196381 is about 615.5177792982.

The spelling of 233196381 in words is "two hundred thirty-three million, one hundred ninety-six thousand, three hundred eighty-one".