3423040 has 56 divisors (see below), whose sum is σ = 8595360. Its totient is φ = 1294848.

The previous prime is 3423023. The next prime is 3423047. The reversal of 3423040 is 403243.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3423047) 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, 5799 + ... + 6361.

Almost surely, 2^3423040 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 3423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4297680).

3423040 is an abundant number, since it is smaller than the sum of its proper divisors (5172320).

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

3423040 is a wasteful number, since it uses less digits than its factorization.

3423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 589 counting only the distinct ones).

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

The square root of 3423040 is about 1850.1459401896. The cubic root of 3423040 is about 150.7083533417.

Adding to 3423040 its reverse (403243), we get a palindrome (3826283).

The spelling of 3423040 in words is "three million, four hundred twenty-three thousand, forty".