2421633 has 16 divisors (see below), whose sum is σ = 3459456. Its totient is φ = 1501440.

The previous prime is 2421593. The next prime is 2421641. The reversal of 2421633 is 3361242.

It is a happy number.

It is not a de Polignac number, because 2421633 - 2¹⁰ = 2420609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5023 + ... + 5483.

It is an arithmetic number, because the mean of its divisors is an integer number (216216).

2^2421633 is an apocalyptic number.

It is an amenable number.

2421633 is a deficient number, since it is larger than the sum of its proper divisors (1037823).

2421633 is a wasteful number, since it uses less digits than its factorization.

2421633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

The product of its digits is 864, while the sum is 21.

The square root of 2421633 is about 1556.1596961752. The cubic root of 2421633 is about 134.2876607858.

Adding to 2421633 its reverse (3361242), we get a palindrome (5782875).

The spelling of 2421633 in words is "two million, four hundred twenty-one thousand, six hundred thirty-three".