2489447 has 4 divisors (see below), whose sum is σ = 2575320. Its totient is φ = 2403576.

The previous prime is 2489441. The next prime is 2489453. The reversal of 2489447 is 7449842.

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

It is an interprime number because it is at equal distance from previous prime (2489441) and next prime (2489453).

It is a cyclic number.

It is not a de Polignac number, because 2489447 - 2¹⁴ = 2473063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2489447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42893 + ... + 42950.

It is an arithmetic number, because the mean of its divisors is an integer number (643830).

2^2489447 is an apocalyptic number.

2489447 is a deficient number, since it is larger than the sum of its proper divisors (85873).

2489447 is an equidigital number, since it uses as much as digits as its factorization.

2489447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85872.

The product of its digits is 64512, while the sum is 38.

The square root of 2489447 is about 1577.7981493208. The cubic root of 2489447 is about 135.5296431653.

The spelling of 2489447 in words is "two million, four hundred eighty-nine thousand, four hundred forty-seven".