2783365 has 8 divisors (see below), whose sum is σ = 3597048. Its totient is φ = 2055360.

The previous prime is 2783353. The next prime is 2783371. The reversal of 2783365 is 5633872.

It can be written as a sum of positive squares in 4 ways, for example, as 70756 + 2712609 = 266^2 + 1647^2 .

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

It is not a de Polignac number, because 2783365 - 2¹³ = 2775173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2783365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21346 + ... + 21475.

It is an arithmetic number, because the mean of its divisors is an integer number (449631).

2^2783365 is an apocalyptic number.

It is an amenable number.

2783365 is a deficient number, since it is larger than the sum of its proper divisors (813683).

2783365 is a wasteful number, since it uses less digits than its factorization.

2783365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42839.

The product of its digits is 30240, while the sum is 34.

The square root of 2783365 is about 1668.3419913195. The cubic root of 2783365 is about 140.6662966780. Note that the first 3 decimals are identical.

The spelling of 2783365 in words is "two million, seven hundred eighty-three thousand, three hundred sixty-five".