2404520 has 32 divisors (see below), whose sum is σ = 5529600. Its totient is φ = 940608.

The previous prime is 2404483. The next prime is 2404529. The reversal of 2404520 is 254042.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2404529) 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, 1241 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

2^2404520 is an apocalyptic number.

2404520 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 2404520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764800).

2404520 is an abundant number, since it is smaller than the sum of its proper divisors (3125080).

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

2404520 is a wasteful number, since it uses less digits than its factorization.

2404520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2404520 is about 1550.6514759932. The cubic root of 2404520 is about 133.9705883322.

Adding to 2404520 its reverse (254042), we get a palindrome (2658562).

The spelling of 2404520 in words is "two million, four hundred four thousand, five hundred twenty".