2421433 has 6 divisors (see below), whose sum is σ = 2816826. Its totient is φ = 2075472.

The previous prime is 2421421. The next prime is 2421439. The reversal of 2421433 is 3341242.

It can be written as a sum of positive squares in only one way, i.e., 2393209 + 28224 = 1547^2 + 168^2 .

It is not a de Polignac number, because 2421433 - 2⁹ = 2420921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421433.

It is not an unprimeable number, because it can be changed into a prime (2421439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24660 + ... + 24757.

It is an arithmetic number, because the mean of its divisors is an integer number (469471).

2^2421433 is an apocalyptic number.

It is an amenable number.

2421433 is a deficient number, since it is larger than the sum of its proper divisors (395393).

2421433 is an equidigital number, since it uses as much as digits as its factorization.

2421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49431 (or 49424 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 2421433 is about 1556.0954340914. The cubic root of 2421433 is about 134.2839637940.

Adding to 2421433 its reverse (3341242), we get a palindrome (5762675).

The spelling of 2421433 in words is "two million, four hundred twenty-one thousand, four hundred thirty-three".