2002447 has 8 divisors (see below), whose sum is σ = 2156112. Its totient is φ = 1852800.

The previous prime is 2002417. The next prime is 2002453. The reversal of 2002447 is 7442002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (269514).

2^2002447 is an apocalyptic number.

2002447 is a deficient number, since it is larger than the sum of its proper divisors (153665).

2002447 is a wasteful number, since it uses less digits than its factorization.

2002447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2002447 is about 1415.0784430554. The cubic root of 2002447 is about 126.0434678279.

Adding to 2002447 its reverse (7442002), we get a palindrome (9444449).

The spelling of 2002447 in words is "two million, two thousand, four hundred forty-seven".