233813382 has 24 divisors (see below), whose sum is σ = 514004568. Its totient is φ = 70852320.

The previous prime is 233813381. The next prime is 233813389. The reversal of 233813382 is 283318332.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233813381) 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, 160303 + ... + 161754.

It is an arithmetic number, because the mean of its divisors is an integer number (21416857).

Almost surely, 2^233813382 is an apocalyptic number.

233813382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

233813382 is an abundant number, since it is smaller than the sum of its proper divisors (280191186).

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

233813382 is a wasteful number, since it uses less digits than its factorization.

233813382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322084 (or 322073 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 233813382 is about 15290.9575239747. The cubic root of 233813382 is about 616.0601556899.

The spelling of 233813382 in words is "two hundred thirty-three million, eight hundred thirteen thousand, three hundred eighty-two".