233397240 has 64 divisors (see below), whose sum is σ = 702324000. Its totient is φ = 62049792.

The previous prime is 233397223. The next prime is 233397251. The reversal of 233397240 is 42793332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39094 + ... + 44666.

Almost surely, 2^233397240 is an apocalyptic number.

233397240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233397240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351162000).

233397240 is an abundant number, since it is smaller than the sum of its proper divisors (468926760).

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

233397240 is a wasteful number, since it uses less digits than its factorization.

233397240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936 (or 5932 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 233397240 is about 15277.3440100038. The cubic root of 233397240 is about 615.6944498595.

The spelling of 233397240 in words is "two hundred thirty-three million, three hundred ninety-seven thousand, two hundred forty".