2498642 has 4 divisors (see below), whose sum is σ = 3747966. Its totient is φ = 1249320.

The previous prime is 2498641. The next prime is 2498653. The reversal of 2498642 is 2468942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 160801 = 1529^2 + 401^2 .

It is not an unprimeable number, because it can be changed into a prime (2498641) 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 as a sum of consecutive naturals, namely, 624659 + ... + 624662.

2^2498642 is an apocalyptic number.

2498642 is a deficient number, since it is larger than the sum of its proper divisors (1249324).

2498642 is a wasteful number, since it uses less digits than its factorization.

2498642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249323.

The product of its digits is 27648, while the sum is 35.

The square root of 2498642 is about 1580.7093344445. The cubic root of 2498642 is about 135.6963018513.

The spelling of 2498642 in words is "two million, four hundred ninety-eight thousand, six hundred forty-two".