2987854 has 4 divisors (see below), whose sum is σ = 4481784. Its totient is φ = 1493926.

The previous prime is 2987849. The next prime is 2987857. The reversal of 2987854 is 4587892.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 2987854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987857) 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, 746962 + ... + 746965.

It is an arithmetic number, because the mean of its divisors is an integer number (1120446).

2^2987854 is an apocalyptic number.

2987854 is a deficient number, since it is larger than the sum of its proper divisors (1493930).

2987854 is a wasteful number, since it uses less digits than its factorization.

2987854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493929.

The product of its digits is 161280, while the sum is 43.

The square root of 2987854 is about 1728.5410032741. The cubic root of 2987854 is about 144.0300541694.

The spelling of 2987854 in words is "two million, nine hundred eighty-seven thousand, eight hundred fifty-four".