2677998 has 8 divisors (see below), whose sum is σ = 5356008. Its totient is φ = 892664.

The previous prime is 2677973. The next prime is 2678009. The reversal of 2677998 is 8997762.

It is a sphenic number, since it is the product of 3 distinct primes.

2677998 is an admirable number.

It is a d-powerful number, because it can be written as 2 + 6⁷ + 7⁶ + 7⁶ + 9⁴ + 9⁵ + 8⁷ .

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 3 ways as a sum of consecutive naturals, for example, 223161 + ... + 223172.

It is an arithmetic number, because the mean of its divisors is an integer number (669501).

2^2677998 is an apocalyptic number.

2677998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2677998 is a wasteful number, since it uses less digits than its factorization.

2677998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446338.

The product of its digits is 381024, while the sum is 48.

The square root of 2677998 is about 1636.4589820707. The cubic root of 2677998 is about 138.8683950087.

The spelling of 2677998 in words is "two million, six hundred seventy-seven thousand, nine hundred ninety-eight".