3424240 has 40 divisors (see below), whose sum is σ = 8311968. Its totient is φ = 1309440.

The previous prime is 3424231. The next prime is 3424241. The reversal of 3424240 is 424243.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3424241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910 + ... + 2770.

Almost surely, 2^3424240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3424240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155984).

3424240 is an abundant number, since it is smaller than the sum of its proper divisors (4887728).

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

3424240 is a wasteful number, since it uses less digits than its factorization.

3424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 3424240 is about 1850.4702105141. The cubic root of 3424240 is about 150.7259623379.

Adding to 3424240 its reverse (424243), we get a palindrome (3848483).

The spelling of 3424240 in words is "three million, four hundred twenty-four thousand, two hundred forty".