2447487 has 24 divisors (see below), whose sum is σ = 4122144. Its totient is φ = 1370304.

The previous prime is 2447483. The next prime is 2447491. The reversal of 2447487 is 7847442.

It is an interprime number because it is at equal distance from previous prime (2447483) and next prime (2447491).

It is not a de Polignac number, because 2447487 - 2² = 2447483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2973 + ... + 3705.

It is an arithmetic number, because the mean of its divisors is an integer number (171756).

2^2447487 is an apocalyptic number.

2447487 is a deficient number, since it is larger than the sum of its proper divisors (1674657).

2447487 is a wasteful number, since it uses less digits than its factorization.

2447487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 796 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 2447487 is about 1564.4446298927. Note that the first 3 decimals coincide. The cubic root of 2447487 is about 134.7638670483.

The spelling of 2447487 in words is "two million, four hundred forty-seven thousand, four hundred eighty-seven".