7828801 has 4 divisors (see below), whose sum is σ = 7957204. Its totient is φ = 7700400.

The previous prime is 7828783. The next prime is 7828841. The reversal of 7828801 is 1088287.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1088287 = 43 ⋅25309.

It can be written as a sum of positive squares in 2 ways, for example, as 3418801 + 4410000 = 1849^2 + 2100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7828801 is a prime.

It is a super-2 number, since 2×7828801² = 122580250195202, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (7828841) 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 3 ways as a sum of consecutive naturals, for example, 64110 + ... + 64231.

It is an arithmetic number, because the mean of its divisors is an integer number (1989301).

Almost surely, 2^7828801 is an apocalyptic number.

It is an amenable number.

7828801 is a deficient number, since it is larger than the sum of its proper divisors (128403).

7828801 is a wasteful number, since it uses less digits than its factorization.

7828801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128402.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 7828801 is about 2797.9994639027. Note that the first 3 decimals coincide. The cubic root of 7828801 is about 198.5630421532.

The spelling of 7828801 in words is "seven million, eight hundred twenty-eight thousand, eight hundred one".