233340 has 24 divisors (see below), whose sum is σ = 653520. Its totient is φ = 62208.

The previous prime is 233329. The next prime is 233341. The reversal of 233340 is 43332.

233340 = 56² + 57² + ... + 95².

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233341) by changing a digit.

233340 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885 + ... + 2004.

It is an arithmetic number, because the mean of its divisors is an integer number (27230).

2²³³³⁴⁰ is an apocalyptic number.

233340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233340 is an abundant number, since it is smaller than the sum of its proper divisors (420180).

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

233340 is a wasteful number, since it uses less digits than its factorization.

233340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 233340 is about 483.0527921460. The cubic root of 233340 is about 61.5644113315.

Adding to 233340 its reverse (43332), we get a palindrome (276672).

The spelling of 233340 in words is "two hundred thirty-three thousand, three hundred forty".