2783198 has 16 divisors (see below), whose sum is σ = 4619376. Its totient is φ = 1247040.

The previous prime is 2783191. The next prime is 2783213. The reversal of 2783198 is 8913872.

It is a super-2 number, since 2×2783198² = 15492382214408, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (288711).

2^2783198 is an apocalyptic number.

2783198 is a deficient number, since it is larger than the sum of its proper divisors (1836178).

2783198 is a wasteful number, since it uses less digits than its factorization.

2783198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its digits is 24192, while the sum is 38.

The square root of 2783198 is about 1668.2919408785. The cubic root of 2783198 is about 140.6634833278.

The spelling of 2783198 in words is "two million, seven hundred eighty-three thousand, one hundred ninety-eight".