4233240 has 96 divisors (see below), whose sum is σ = 15022800. Its totient is φ = 1025280.

The previous prime is 4233199. The next prime is 4233247. The reversal of 4233240 is 423324.

4233240 is a `hidden beast` number, since 423 + 3 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4233247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3426 + ... + 4494.

Almost surely, 2^4233240 is an apocalyptic number.

4233240 is a gapful number since it is divisible by the number (40) 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 4233240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7511400).

4233240 is an abundant number, since it is smaller than the sum of its proper divisors (10789560).

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

4233240 is a wasteful number, since it uses less digits than its factorization.

4233240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4233240 is about 2057.4839003015. The cubic root of 4233240 is about 161.7673844833.

Adding to 4233240 its reverse (423324), we get a palindrome (4656564).

It can be divided in two parts, 423 and 3240, that added together give a palindrome (3663).

The spelling of 4233240 in words is "four million, two hundred thirty-three thousand, two hundred forty".