2404620 has 96 divisors (see below), whose sum is σ = 7707840. Its totient is φ = 622080.

The previous prime is 2404613. The next prime is 2404631. The reversal of 2404620 is 264042.

2404620 is a `hidden beast` number, since 2 + 40 + 4 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2404593 and 2404602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32904 + ... + 32976.

It is an arithmetic number, because the mean of its divisors is an integer number (80290).

2^2404620 is an apocalyptic number.

2404620 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 2404620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3853920).

2404620 is an abundant number, since it is smaller than the sum of its proper divisors (5303220).

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

2404620 is a wasteful number, since it uses less digits than its factorization.

2404620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2404620 is about 1550.6837201699. The cubic root of 2404620 is about 133.9724455113.

Adding to 2404620 its reverse (264042), we get a palindrome (2668662).

The spelling of 2404620 in words is "two million, four hundred four thousand, six hundred twenty".