2487945 has 16 divisors (see below), whose sum is σ = 4066560. Its totient is φ = 1298304.

The previous prime is 2487943. The next prime is 2487949. The reversal of 2487945 is 5497842.

It is not a de Polignac number, because 2487945 - 2¹ = 2487943 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 4² + 8² + 7 + 9² + 4¹⁰ + 5⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060 + ... + 2469.

It is an arithmetic number, because the mean of its divisors is an integer number (254160).

2^2487945 is an apocalyptic number.

It is an amenable number.

2487945 is a deficient number, since it is larger than the sum of its proper divisors (1578615).

2487945 is a wasteful number, since it uses less digits than its factorization.

2487945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584.

The product of its digits is 80640, while the sum is 39.

The square root of 2487945 is about 1577.3220977340. The cubic root of 2487945 is about 135.5023805539.

The spelling of 2487945 in words is "two million, four hundred eighty-seven thousand, nine hundred forty-five".