2748845 has 32 divisors (see below), whose sum is σ = 3919104. Its totient is φ = 1830400.

The previous prime is 2748833. The next prime is 2748857. The reversal of 2748845 is 5488472.

2748845 = 94² + 95² + ... + 208².

It is an interprime number because it is at equal distance from previous prime (2748833) and next prime (2748857).

It is not a de Polignac number, because 2748845 - 2⁴ = 2748829 is a prime.

It is a super-2 number, since 2×2748845² = 15112297668050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2748799 and 2748808.

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 31 ways as a sum of consecutive naturals, for example, 51839 + ... + 51891.

It is an arithmetic number, because the mean of its divisors is an integer number (122472).

2^2748845 is an apocalyptic number.

It is an amenable number.

2748845 is a deficient number, since it is larger than the sum of its proper divisors (1170259).

2748845 is a wasteful number, since it uses less digits than its factorization.

2748845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its digits is 71680, while the sum is 38.

The square root of 2748845 is about 1657.9641130012. The cubic root of 2748845 is about 140.0823495108.

It can be divided in two parts, 274 and 8845, that added together give a palindrome (9119).

The spelling of 2748845 in words is "two million, seven hundred forty-eight thousand, eight hundred forty-five".