2840849 has 8 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 2519200.

The previous prime is 2840801. The next prime is 2840857. The reversal of 2840849 is 9480482.

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

It is a cyclic number.

It is not a de Polignac number, because 2840849 - 2¹⁶ = 2775313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2840249) 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, 2699 + ... + 3600.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

2^2840849 is an apocalyptic number.

It is an amenable number.

2840849 is a deficient number, since it is larger than the sum of its proper divisors (334351).

2840849 is a wasteful number, since it uses less digits than its factorization.

2840849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2840849 is about 1685.4818302195. The cubic root of 2840849 is about 141.6280851492.

The spelling of 2840849 in words is "two million, eight hundred forty thousand, eight hundred forty-nine".