2987870 has 16 divisors (see below), whose sum is σ = 5564160. Its totient is φ = 1153824.

The previous prime is 2987863. The next prime is 2987911. The reversal of 2987870 is 787892.

It is an Ulam number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4862 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

2^2987870 is an apocalyptic number.

2987870 is a deficient number, since it is larger than the sum of its proper divisors (2576290).

2987870 is a wasteful number, since it uses less digits than its factorization.

2987870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2987870 is about 1728.5456314486. The cubic root of 2987870 is about 144.0303112632.

The spelling of 2987870 in words is "two million, nine hundred eighty-seven thousand, eight hundred seventy".