2421632 has 16 divisors (see below), whose sum is σ = 4824600. Its totient is φ = 1210752.

The previous prime is 2421593. The next prime is 2421641. The reversal of 2421632 is 2361242.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9332 + ... + 9587.

2^2421632 is an apocalyptic number.

It is an amenable number.

2421632 is a deficient number, since it is larger than the sum of its proper divisors (2402968).

2421632 is an equidigital number, since it uses as much as digits as its factorization.

2421632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18933 (or 18921 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2421632 is about 1556.1593748714. The cubic root of 2421632 is about 134.2876423013.

Adding to 2421632 its reverse (2361242), we get a palindrome (4782874).

The spelling of 2421632 in words is "two million, four hundred twenty-one thousand, six hundred thirty-two".