2877998 has 16 divisors (see below), whose sum is σ = 4670784. Its totient is φ = 1324800.

The previous prime is 2877983. The next prime is 2878003. The reversal of 2877998 is 8997782.

It is a happy number.

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, 698 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (291924).

2^2877998 is an apocalyptic number.

2877998 is a deficient number, since it is larger than the sum of its proper divisors (1792786).

2877998 is a wasteful number, since it uses less digits than its factorization.

2877998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867.

The product of its digits is 508032, while the sum is 50.

The square root of 2877998 is about 1696.4663273994. The cubic root of 2877998 is about 142.2427574063.

The spelling of 2877998 in words is "two million, eight hundred seventy-seven thousand, nine hundred ninety-eight".