2121486 has 16 divisors (see below), whose sum is σ = 4333824. Its totient is φ = 692024.

The previous prime is 2121479. The next prime is 2121503. The reversal of 2121486 is 6841212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3480 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (270864).

2^2121486 is an apocalyptic number.

2121486 is an abundant number, since it is smaller than the sum of its proper divisors (2212338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121486 is a wasteful number, since it uses less digits than its factorization.

2121486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575.

The product of its digits is 768, while the sum is 24.

The square root of 2121486 is about 1456.5321829606. The cubic root of 2121486 is about 128.4931738969.

Adding to 2121486 its reverse (6841212), we get a palindrome (8962698).

The spelling of 2121486 in words is "two million, one hundred twenty-one thousand, four hundred eighty-six".