2783215 has 8 divisors (see below), whose sum is σ = 3515760. Its totient is φ = 2109312.

The previous prime is 2783213. The next prime is 2783219. The reversal of 2783215 is 5123872.

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

It is a cyclic number.

It is not a de Polignac number, because 2783215 - 2¹ = 2783213 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783213) 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, 14554 + ... + 14743.

It is an arithmetic number, because the mean of its divisors is an integer number (439470).

2^2783215 is an apocalyptic number.

2783215 is a deficient number, since it is larger than the sum of its proper divisors (732545).

2783215 is a wasteful number, since it uses less digits than its factorization.

2783215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29321.

The product of its digits is 3360, while the sum is 28.

The square root of 2783215 is about 1668.2970359022. The cubic root of 2783215 is about 140.6637697219.

The spelling of 2783215 in words is "two million, seven hundred eighty-three thousand, two hundred fifteen".