2421560 has 16 divisors (see below), whose sum is σ = 5448600. Its totient is φ = 968608.

The previous prime is 2421553. The next prime is 2421577. The reversal of 2421560 is 651242.

It is a happy number.

2421560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30230 + ... + 30309.

2^2421560 is an apocalyptic number.

2421560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421560 is an abundant number, since it is smaller than the sum of its proper divisors (3027040).

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

2421560 is a wasteful number, since it uses less digits than its factorization.

2421560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60550 (or 60546 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2421560 is about 1556.1362408221. The cubic root of 2421560 is about 134.2863114074.

The spelling of 2421560 in words is "two million, four hundred twenty-one thousand, five hundred sixty".