2783081 has 8 divisors (see below), whose sum is σ = 3202944. Its totient is φ = 2368800.

The previous prime is 2783047. The next prime is 2783107. The reversal of 2783081 is 1803872.

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

It is not a de Polignac number, because 2783081 - 2⁶ = 2783017 is a prime.

It is a super-2 number, since 2×2783081² = 15491079705122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2783021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (400368).

2^2783081 is an apocalyptic number.

It is an amenable number.

2783081 is a deficient number, since it is larger than the sum of its proper divisors (419863).

2783081 is a wasteful number, since it uses less digits than its factorization.

2783081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2783081 is about 1668.2568747049. The cubic root of 2783081 is about 140.6615122310.

The spelling of 2783081 in words is "two million, seven hundred eighty-three thousand, eighty-one".