2486921 has 4 divisors (see below), whose sum is σ = 2595072. Its totient is φ = 2378772.

The previous prime is 2486873. The next prime is 2486951. The reversal of 2486921 is 1296842.

2486921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2486921 - 2⁶ = 2486857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2486951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54041 + ... + 54086.

It is an arithmetic number, because the mean of its divisors is an integer number (648768).

2^2486921 is an apocalyptic number.

It is an amenable number.

2486921 is a deficient number, since it is larger than the sum of its proper divisors (108151).

2486921 is a wasteful number, since it uses less digits than its factorization.

2486921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108150.

The product of its digits is 6912, while the sum is 32.

The square root of 2486921 is about 1576.9974635363. The cubic root of 2486921 is about 135.4837877691.

The spelling of 2486921 in words is "two million, four hundred eighty-six thousand, nine hundred twenty-one".