2421424 has 10 divisors (see below), whose sum is σ = 4691540. Its totient is φ = 1210704.

The previous prime is 2421421. The next prime is 2421439. The reversal of 2421424 is 4241242.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2421421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75654 + ... + 75685.

It is an arithmetic number, because the mean of its divisors is an integer number (469154).

2^2421424 is an apocalyptic number.

It is an amenable number.

2421424 is a deficient number, since it is larger than the sum of its proper divisors (2270116).

2421424 is a wasteful number, since it uses less digits than its factorization.

2421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151347 (or 151341 counting only the distinct ones).

The product of its digits is 512, while the sum is 19.

The square root of 2421424 is about 1556.0925422352. The cubic root of 2421424 is about 134.2837974246.

Adding to 2421424 its reverse (4241242), we get a palindrome (6662666).

The spelling of 2421424 in words is "two million, four hundred twenty-one thousand, four hundred twenty-four".