2304421 has 12 divisors (see below), whose sum is σ = 2708640. Its totient is φ = 1954680.

The previous prime is 2304403. The next prime is 2304443. The reversal of 2304421 is 1244032.

It is not a de Polignac number, because 2304421 - 2⁵ = 2304389 is a prime.

It is a super-2 number, since 2×2304421² = 10620712290482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2304395 and 2304404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6240 + ... + 6598.

It is an arithmetic number, because the mean of its divisors is an integer number (225720).

2^2304421 is an apocalyptic number.

It is an amenable number.

2304421 is a deficient number, since it is larger than the sum of its proper divisors (404219).

2304421 is a wasteful number, since it uses less digits than its factorization.

2304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2304421 is about 1518.0319495979. The cubic root of 2304421 is about 132.0851340918.

Adding to 2304421 its reverse (1244032), we get a palindrome (3548453).

The spelling of 2304421 in words is "two million, three hundred four thousand, four hundred twenty-one".