2447489 has 4 divisors (see below), whose sum is σ = 2670000. Its totient is φ = 2224980.

The previous prime is 2447483. The next prime is 2447491. The reversal of 2447489 is 9847442.

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-2447489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2447483) 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, 111239 + ... + 111260.

It is an arithmetic number, because the mean of its divisors is an integer number (667500).

2^2447489 is an apocalyptic number.

It is an amenable number.

2447489 is a deficient number, since it is larger than the sum of its proper divisors (222511).

2447489 is a wasteful number, since it uses less digits than its factorization.

2447489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222510.

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

The square root of 2447489 is about 1564.4452690970. The cubic root of 2447489 is about 134.7639037564.

The spelling of 2447489 in words is "two million, four hundred forty-seven thousand, four hundred eighty-nine".