2783460 has 48 divisors (see below), whose sum is σ = 8136576. Its totient is φ = 709632.

The previous prime is 2783447. The next prime is 2783477. The reversal of 2783460 is 643872.

2783460 = T₁₆₀ + T₁₆₁ + ... + T₂₇₄.

2783460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 372 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (169512).

2^2783460 is an apocalyptic number.

2783460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2783460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4068288).

2783460 is an abundant number, since it is smaller than the sum of its proper divisors (5353116).

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

2783460 is a wasteful number, since it uses less digits than its factorization.

2783460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2783460 is about 1668.3704624573. The cubic root of 2783460 is about 140.6678970366.

The spelling of 2783460 in words is "two million, seven hundred eighty-three thousand, four hundred sixty".