7828105 has 8 divisors (see below), whose sum is σ = 9526464. Its totient is φ = 6174000.

The previous prime is 7828099. The next prime is 7828111. The reversal of 7828105 is 5018287.

It is an interprime number because it is at equal distance from previous prime (7828099) and next prime (7828111).

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

It is a de Polignac number, because none of the positive numbers 2^k-7828105 is a prime.

It is a super-2 number, since 2×7828105² = 122558455782050, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 10671 + ... + 11380.

It is an arithmetic number, because the mean of its divisors is an integer number (1190808).

Almost surely, 2^7828105 is an apocalyptic number.

It is an amenable number.

7828105 is a deficient number, since it is larger than the sum of its proper divisors (1698359).

7828105 is a wasteful number, since it uses less digits than its factorization.

7828105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22127.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 7828105 is about 2797.8750865612. The cubic root of 7828105 is about 198.5571577284.

The spelling of 7828105 in words is "seven million, eight hundred twenty-eight thousand, one hundred five".