2833780 has 12 divisors (see below), whose sum is σ = 5950980. Its totient is φ = 1133504.

The previous prime is 2833777. The next prime is 2833799. The reversal of 2833780 is 873382.

It can be written as a sum of positive squares in 2 ways, for example, as 1628176 + 1205604 = 1276^2 + 1098^2 .

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, 70825 + ... + 70864.

It is an arithmetic number, because the mean of its divisors is an integer number (495915).

2^2833780 is an apocalyptic number.

2833780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2833780 is an abundant number, since it is smaller than the sum of its proper divisors (3117200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2833780 is a wasteful number, since it uses less digits than its factorization.

2833780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141698 (or 141696 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2833780 is about 1683.3834976024. The cubic root of 2833780 is about 141.5105146036.

The spelling of 2833780 in words is "two million, eight hundred thirty-three thousand, seven hundred eighty".