2498821 has 8 divisors (see below), whose sum is σ = 2709504. Its totient is φ = 2290800.

The previous prime is 2498819. The next prime is 2498851. The reversal of 2498821 is 1288942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2498821 - 2¹ = 2498819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596 + ... + 2746.

It is an arithmetic number, because the mean of its divisors is an integer number (338688).

2^2498821 is an apocalyptic number.

It is an amenable number.

2498821 is a deficient number, since it is larger than the sum of its proper divisors (210683).

2498821 is a wasteful number, since it uses less digits than its factorization.

2498821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its digits is 9216, while the sum is 34.

The square root of 2498821 is about 1580.7659535807. The cubic root of 2498821 is about 135.6995421525.

The spelling of 2498821 in words is "two million, four hundred ninety-eight thousand, eight hundred twenty-one".