7828817 has 8 divisors (see below), whose sum is σ = 8266560. Its totient is φ = 7393680.

The previous prime is 7828783. The next prime is 7828841. The reversal of 7828817 is 7188287.

7828817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7828817 - 2¹⁰ = 7827793 is a prime.

It is a super-2 number, since 2×7828817² = 122580751238978, 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 (7828217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11663 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (1033320).

Almost surely, 2^7828817 is an apocalyptic number.

It is an amenable number.

7828817 is a deficient number, since it is larger than the sum of its proper divisors (437743).

7828817 is a wasteful number, since it uses less digits than its factorization.

7828817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303.

The product of its digits is 50176, while the sum is 41.

The square root of 7828817 is about 2798.0023230870. The cubic root of 7828817 is about 198.5631774233.

It can be divided in two parts, 78288 and 17, that multiplied together give a triangular number (1330896 = T₁₆₃₁).

The spelling of 7828817 in words is "seven million, eight hundred twenty-eight thousand, eight hundred seventeen".