2490349 has 4 divisors (see below), whose sum is σ = 2621440. Its totient is φ = 2359260.

The previous prime is 2490337. The next prime is 2490377. The reversal of 2490349 is 9430942.

2490349 = T₁₂₈₇ + T₁₂₈₈ + T₁₂₈₉.

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 2490349 - 2⁷ = 2490221 is a prime.

It is a Duffinian number.

2490349 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2490349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65517 + ... + 65554.

It is an arithmetic number, because the mean of its divisors is an integer number (655360).

2^2490349 is an apocalyptic number.

2490349 is the 1289-th centered triangular number.

It is an amenable number.

2490349 is a deficient number, since it is larger than the sum of its proper divisors (131091).

2490349 is a wasteful number, since it uses less digits than its factorization.

2490349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131090.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2490349 is about 1578.0839648130. The cubic root of 2490349 is about 135.5460099831.

The spelling of 2490349 in words is "two million, four hundred ninety thousand, three hundred forty-nine".