7828005 has 16 divisors (see below), whose sum is σ = 12651264. Its totient is φ = 4132800.

The previous prime is 7827983. The next prime is 7828033. The reversal of 7828005 is 5008287.

It is not a de Polignac number, because 7828005 - 2⁷ = 7827877 is a prime.

It is a super-2 number, since 2×7828005² = 122555324560050, which contains 22 as substring.

7828005 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1069 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (790704).

Almost surely, 2^7828005 is an apocalyptic number.

It is an amenable number.

7828005 is a deficient number, since it is larger than the sum of its proper divisors (4823259).

7828005 is a wasteful number, since it uses less digits than its factorization.

7828005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 7828005 is about 2797.8572157993. The cubic root of 7828005 is about 198.5563122364.

The spelling of 7828005 in words is "seven million, eight hundred twenty-eight thousand, five".