2987630 has 16 divisors (see below), whose sum is σ = 5412960. Its totient is φ = 1187232.

The previous prime is 2987623. The next prime is 2987651. The reversal of 2987630 is 367892.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 776 + ... + 2564.

It is an arithmetic number, because the mean of its divisors is an integer number (338310).

2^2987630 is an apocalyptic number.

2987630 is a deficient number, since it is larger than the sum of its proper divisors (2425330).

2987630 is a wasteful number, since it uses less digits than its factorization.

2987630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2987630 is about 1728.4762075308. The cubic root of 2987630 is about 144.0264547589.

The spelling of 2987630 in words is "two million, nine hundred eighty-seven thousand, six hundred thirty".