2784081 has 16 divisors (see below), whose sum is σ = 3913344. Its totient is φ = 1757184.

The previous prime is 2784071. The next prime is 2784083. The reversal of 2784081 is 1804872.

It is not a de Polignac number, because 2784081 - 2⁵ = 2784049 is a prime.

It is a super-2 number, since 2×2784081² = 15502214029122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2784083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10705 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (244584).

2^2784081 is an apocalyptic number.

It is an amenable number.

2784081 is a deficient number, since it is larger than the sum of its proper divisors (1129263).

2784081 is a wasteful number, since it uses less digits than its factorization.

2784081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 2784081 is about 1668.5565618222. The cubic root of 2784081 is about 140.6783574310.

The spelling of 2784081 in words is "two million, seven hundred eighty-four thousand, eighty-one".