2490047 has 4 divisors (see below), whose sum is σ = 2845776. Its totient is φ = 2134320.

The previous prime is 2490029. The next prime is 2490079. The reversal of 2490047 is 7400942.

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

It is a cyclic number.

It is not a de Polignac number, because 2490047 - 2¹⁴ = 2473663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2489998 and 2490025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490247) 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, 177854 + ... + 177867.

It is an arithmetic number, because the mean of its divisors is an integer number (711444).

2^2490047 is an apocalyptic number.

2490047 is a deficient number, since it is larger than the sum of its proper divisors (355729).

2490047 is an equidigital number, since it uses as much as digits as its factorization.

2490047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355728.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2490047 is about 1577.9882762556. The cubic root of 2490047 is about 135.5405306239.

Adding to 2490047 its reverse (7400942), we get a palindrome (9890989).

The spelling of 2490047 in words is "two million, four hundred ninety thousand, forty-seven".