2587106 has 4 divisors (see below), whose sum is σ = 3880662. Its totient is φ = 1293552.

The previous prime is 2587103. The next prime is 2587121. The reversal of 2587106 is 6017852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 1229881 = 1165^2 + 1109^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587103) 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 as a sum of consecutive naturals, namely, 646775 + ... + 646778.

2^2587106 is an apocalyptic number.

2587106 is a deficient number, since it is larger than the sum of its proper divisors (1293556).

2587106 is a wasteful number, since it uses less digits than its factorization.

2587106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293555.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2587106 is about 1608.4483205873. The cubic root of 2587106 is about 137.2792004475.

The spelling of 2587106 in words is "two million, five hundred eighty-seven thousand, one hundred six".