7828317 has 24 divisors (see below), whose sum is σ = 13031616. Its totient is φ = 4435776.

The previous prime is 7828291. The next prime is 7828319. The reversal of 7828317 is 7138287.

7828317 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7828317 - 2¹² = 7824221 is a prime.

It is a super-2 number, since 2×7828317² = 122565094104978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7828319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8178 + ... + 9084.

It is an arithmetic number, because the mean of its divisors is an integer number (542984).

Almost surely, 2^7828317 is an apocalyptic number.

It is an amenable number.

7828317 is a deficient number, since it is larger than the sum of its proper divisors (5203299).

7828317 is a wasteful number, since it uses less digits than its factorization.

7828317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1054 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 7828317 is about 2797.9129721991. The cubic root of 7828317 is about 198.5589501476.

The spelling of 7828317 in words is "seven million, eight hundred twenty-eight thousand, three hundred seventeen".