7945828 has 18 divisors (see below), whose sum is σ = 15285158. Its totient is φ = 3611520.

The previous prime is 7945811. The next prime is 7945843. The reversal of 7945828 is 8285497.

It can be written as a sum of positive squares in only one way, i.e., 5963364 + 1982464 = 2442^2 + 1408^2 .

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 5 ways as a sum of consecutive naturals, for example, 7725 + ... + 8692.

Almost surely, 2^7945828 is an apocalyptic number.

It is an amenable number.

7945828 is a deficient number, since it is larger than the sum of its proper divisors (7339330).

7945828 is a wasteful number, since it uses less digits than its factorization.

7945828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16443 (or 16430 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 7945828 is about 2818.8345109282. The cubic root of 7945828 is about 199.5475438557.

The spelling of 7945828 in words is "seven million, nine hundred forty-five thousand, eight hundred twenty-eight".