2987686 has 16 divisors (see below), whose sum is σ = 4864608. Its totient is φ = 1368000.

The previous prime is 2987659. The next prime is 2987707. The reversal of 2987686 is 6867892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3546 + ... + 4306.

It is an arithmetic number, because the mean of its divisors is an integer number (304038).

2^2987686 is an apocalyptic number.

2987686 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2987686 is a deficient number, since it is larger than the sum of its proper divisors (1876922).

2987686 is a wasteful number, since it uses less digits than its factorization.

2987686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its digits is 290304, while the sum is 46.

The square root of 2987686 is about 1728.4924066943. The cubic root of 2987686 is about 144.0273546284.

The spelling of 2987686 in words is "two million, nine hundred eighty-seven thousand, six hundred eighty-six".