2679987 has 16 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 1720032.

The previous prime is 2679979. The next prime is 2680003. The reversal of 2679987 is 7899762.

2679987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2679987 - 2³ = 2679979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2679967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11589 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (231840).

2^2679987 is an apocalyptic number.

2679987 is a deficient number, since it is larger than the sum of its proper divisors (1029453).

2679987 is a wasteful number, since it uses less digits than its factorization.

2679987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its digits is 381024, while the sum is 48.

The square root of 2679987 is about 1637.0665838627. The cubic root of 2679987 is about 138.9027665659.

The spelling of 2679987 in words is "two million, six hundred seventy-nine thousand, nine hundred eighty-seven".