2279783 has 8 divisors (see below), whose sum is σ = 2595456. Its totient is φ = 1982200.

The previous prime is 2279773. The next prime is 2279807. The reversal of 2279783 is 3879722.

2279783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2279783 - 2⁸ = 2279527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4253 + ... + 4758.

It is an arithmetic number, because the mean of its divisors is an integer number (324432).

2^2279783 is an apocalyptic number.

2279783 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2279783 is a deficient number, since it is larger than the sum of its proper divisors (315673).

2279783 is a wasteful number, since it uses less digits than its factorization.

2279783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045.

The product of its digits is 42336, while the sum is 38.

The square root of 2279783 is about 1509.8950294640. The cubic root of 2279783 is about 131.6127116074.

The spelling of 2279783 in words is "two million, two hundred seventy-nine thousand, seven hundred eighty-three".