2432421 has 6 divisors (see below), whose sum is σ = 3513510. Its totient is φ = 1621608.

The previous prime is 2432387. The next prime is 2432429. The reversal of 2432421 is 1242342.

2432421 is a `hidden beast` number, since 243 + 2 + 421 = 666.

2432421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1404225 + 1028196 = 1185^2 + 1014^2 .

It is not a de Polignac number, because 2432421 - 2⁶ = 2432357 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2432394 and 2432403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2432429) 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 5 ways as a sum of consecutive naturals, for example, 135126 + ... + 135143.

It is an arithmetic number, because the mean of its divisors is an integer number (585585).

2^2432421 is an apocalyptic number.

It is an amenable number.

2432421 is a deficient number, since it is larger than the sum of its proper divisors (1081089).

2432421 is a wasteful number, since it uses less digits than its factorization.

2432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270275 (or 270272 counting only the distinct ones).

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

The square root of 2432421 is about 1559.6220696053. The cubic root of 2432421 is about 134.4867756469.

Adding to 2432421 its reverse (1242342), we get a palindrome (3674763).

The spelling of 2432421 in words is "two million, four hundred thirty-two thousand, four hundred twenty-one".