2773998 has 12 divisors (see below), whose sum is σ = 6010368. Its totient is φ = 924660.

The previous prime is 2773997. The next prime is 2773999. The reversal of 2773998 is 8993772.

It is an interprime number because it is at equal distance from previous prime (2773997) and next prime (2773999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2773997) 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 in 5 ways as a sum of consecutive naturals, for example, 77038 + ... + 77073.

It is an arithmetic number, because the mean of its divisors is an integer number (500864).

2^2773998 is an apocalyptic number.

2773998 is an abundant number, since it is smaller than the sum of its proper divisors (3236370).

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

2773998 is a wasteful number, since it uses less digits than its factorization.

2773998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154119 (or 154116 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2773998 is about 1665.5323473292. The cubic root of 2773998 is about 140.5083221811.

The spelling of 2773998 in words is "two million, seven hundred seventy-three thousand, nine hundred ninety-eight".