2121484 has 12 divisors (see below), whose sum is σ = 3783024. Its totient is φ = 1040624.

The previous prime is 2121479. The next prime is 2121503. The reversal of 2121484 is 4841212.

2121484 = 27² + 28² + ... + 185².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4792 + ... + 5215.

It is an arithmetic number, because the mean of its divisors is an integer number (315252).

2^2121484 is an apocalyptic number.

It is an amenable number.

2121484 is a deficient number, since it is larger than the sum of its proper divisors (1661540).

2121484 is a wasteful number, since it uses less digits than its factorization.

2121484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10064 (or 10062 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 2121484 is about 1456.5314963982. The cubic root of 2121484 is about 128.4931335185.

Adding to 2121484 its reverse (4841212), we get a palindrome (6962696).

The spelling of 2121484 in words is "two million, one hundred twenty-one thousand, four hundred eighty-four".