2487609 has 6 divisors (see below), whose sum is σ = 3593226. Its totient is φ = 1658400.

The previous prime is 2487601. The next prime is 2487619. The reversal of 2487609 is 9067842.

2487609 is a `hidden beast` number, since 2 + 48 + 7 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 1040400 = 1203^2 + 1020^2 .

It is not a de Polignac number, because 2487609 - 2³ = 2487601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2487601) 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 5 ways as a sum of consecutive naturals, for example, 138192 + ... + 138209.

It is an arithmetic number, because the mean of its divisors is an integer number (598871).

2^2487609 is an apocalyptic number.

It is an amenable number.

2487609 is a deficient number, since it is larger than the sum of its proper divisors (1105617).

2487609 is a wasteful number, since it uses less digits than its factorization.

2487609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276407 (or 276404 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2487609 is about 1577.2155845033. The cubic root of 2487609 is about 135.4962803589.

The spelling of 2487609 in words is "two million, four hundred eighty-seven thousand, six hundred nine".