2421704 has 16 divisors (see below), whose sum is σ = 4561920. Its totient is φ = 1205200.

The previous prime is 2421673. The next prime is 2421707. The reversal of 2421704 is 4071242.

2421704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with 2140215 it forms a betrothed pair.

It is not an unprimeable number, because it can be changed into a prime (2421707) by changing a digit.

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, 1529 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

2^2421704 is an apocalyptic number.

It is an amenable number.

2421704 is a deficient number, since it is larger than the sum of its proper divisors (2140216).

2421704 is a wasteful number, since it uses less digits than its factorization.

2421704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2421704 is about 1556.1825085767. The cubic root of 2421704 is about 134.2889731689.

Adding to 2421704 its reverse (4071242), we get a palindrome (6492946).

It can be divided in two parts, 2421 and 704, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2421704 in words is "two million, four hundred twenty-one thousand, seven hundred four".