2490049 has 4 divisors (see below), whose sum is σ = 2598336. Its totient is φ = 2381764.

The previous prime is 2490029. The next prime is 2490079. The reversal of 2490049 is 9400942.

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 a de Polignac number, because none of the positive numbers 2^k-2490049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2489999 and 2490026.

It is not an unprimeable number, because it can be changed into a prime (2490029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54109 + ... + 54154.

It is an arithmetic number, because the mean of its divisors is an integer number (649584).

2^2490049 is an apocalyptic number.

It is an amenable number.

2490049 is a deficient number, since it is larger than the sum of its proper divisors (108287).

2490049 is a wasteful number, since it uses less digits than its factorization.

2490049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108286.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2490049 is about 1577.9889099737. The cubic root of 2490049 is about 135.5405669125.

The spelling of 2490049 in words is "two million, four hundred ninety thousand, forty-nine".