2047782 has 64 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 554400.

The previous prime is 2047781. The next prime is 2047811. The reversal of 2047782 is 2877402.

It is a super-2 number, since 2×2047782² = 8386822239048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28807 + ... + 28877.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2^2047782 is an apocalyptic number.

2047782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2488320).

2047782 is an abundant number, since it is smaller than the sum of its proper divisors (2928858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2047782 is a wasteful number, since it uses less digits than its factorization.

2047782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 2047782 is about 1431.0073375074. The cubic root of 2047782 is about 126.9875780935.

The spelling of 2047782 in words is "two million, forty-seven thousand, seven hundred eighty-two".