2749798 has 8 divisors (see below), whose sum is σ = 4148280. Its totient is φ = 1367040.

The previous prime is 2749787. The next prime is 2749823. The reversal of 2749798 is 8979472.

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

It is a super-2 number, since 2×2749798² = 15122778081608, which contains 22 as substring.

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 3483 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (518535).

2^2749798 is an apocalyptic number.

2749798 is a deficient number, since it is larger than the sum of its proper divisors (1398482).

2749798 is a wasteful number, since it uses less digits than its factorization.

2749798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7862.

The product of its digits is 254016, while the sum is 46.

The square root of 2749798 is about 1658.2514887676. The cubic root of 2749798 is about 140.0985360734.

The spelling of 2749798 in words is "two million, seven hundred forty-nine thousand, seven hundred ninety-eight".