2404920 has 96 divisors (see below), whose sum is σ = 8413200. Its totient is φ = 548352.

The previous prime is 2404907. The next prime is 2404931. The reversal of 2404920 is 294042.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5676 + ... + 6084.

2^2404920 is an apocalyptic number.

2404920 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 2404920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4206600).

2404920 is an abundant number, since it is smaller than the sum of its proper divisors (6008280).

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

2404920 is a wasteful number, since it uses less digits than its factorization.

2404920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2404920 is about 1550.7804486774. The cubic root of 2404920 is about 133.9780167398.

Adding to 2404920 its reverse (294042), we get a palindrome (2698962).

The spelling of 2404920 in words is "two million, four hundred four thousand, nine hundred twenty".