2833978 has 16 divisors (see below), whose sum is σ = 4990464. Its totient is φ = 1181520.

The previous prime is 2833973. The next prime is 2833993. The reversal of 2833978 is 8793382.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2833978.

It is not an unprimeable number, because it can be changed into a prime (2833973) 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 7 ways as a sum of consecutive naturals, for example, 2218 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (311904).

2^2833978 is an apocalyptic number.

2833978 is a deficient number, since it is larger than the sum of its proper divisors (2156486).

2833978 is a wasteful number, since it uses less digits than its factorization.

2833978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517.

The product of its digits is 72576, while the sum is 40.

The square root of 2833978 is about 1683.4423067037. The cubic root of 2833978 is about 141.5138103699.

The spelling of 2833978 in words is "two million, eight hundred thirty-three thousand, nine hundred seventy-eight".