2784480 has 48 divisors (see below), whose sum is σ = 8772624. Its totient is φ = 742400.

The previous prime is 2784479. The next prime is 2784491. The reversal of 2784480 is 844872.

2784480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (182763).

2^2784480 is an apocalyptic number.

2784480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2784480 is an abundant number, since it is smaller than the sum of its proper divisors (5988144).

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

2784480 is a wasteful number, since it uses less digits than its factorization.

2784480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819 (or 5811 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 2784480 is about 1668.6761219602. The cubic root of 2784480 is about 140.6850775400.

The spelling of 2784480 in words is "two million, seven hundred eighty-four thousand, four hundred eighty".