2783487 has 8 divisors (see below), whose sum is σ = 4241536. Its totient is φ = 1590552.

The previous prime is 2783477. The next prime is 2783497. The reversal of 2783487 is 7843872.

It is an interprime number because it is at equal distance from previous prime (2783477) and next prime (2783497).

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

It is not a de Polignac number, because 2783487 - 2⁶ = 2783423 is a prime.

It is a Duffinian number.

2783487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783447) 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, 66253 + ... + 66294.

It is an arithmetic number, because the mean of its divisors is an integer number (530192).

2^2783487 is an apocalyptic number.

2783487 is a deficient number, since it is larger than the sum of its proper divisors (1458049).

2783487 is a wasteful number, since it uses less digits than its factorization.

2783487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132557.

The product of its digits is 75264, while the sum is 39.

The square root of 2783487 is about 1668.3785541657. The cubic root of 2783487 is about 140.6683518687.

The spelling of 2783487 in words is "two million, seven hundred eighty-three thousand, four hundred eighty-seven".