4033240 has 32 divisors (see below), whose sum is σ = 9234000. Its totient is φ = 1585024.

The previous prime is 4033231. The next prime is 4033241. The reversal of 4033240 is 423304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4033241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1506 + ... + 3214.

Almost surely, 2^4033240 is an apocalyptic number.

4033240 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 4033240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4617000).

4033240 is an abundant number, since it is smaller than the sum of its proper divisors (5200760).

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

4033240 is a wasteful number, since it uses less digits than its factorization.

4033240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 4033240 is about 2008.2928073366. The cubic root of 4033240 is about 159.1786028834.

Adding to 4033240 its reverse (423304), we get a palindrome (4456544).

The spelling of 4033240 in words is "four million, thirty-three thousand, two hundred forty".