7828266 has 16 divisors (see below), whose sum is σ = 16480800. Its totient is φ = 2472048.

The previous prime is 7828243. The next prime is 7828277. The reversal of 7828266 is 6628287.

It is a super-2 number, since 2×7828266² = 122563497133512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34221 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (1030050).

Almost surely, 2^7828266 is an apocalyptic number.

7828266 is an abundant number, since it is smaller than the sum of its proper divisors (8652534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7828266 is a wasteful number, since it uses less digits than its factorization.

7828266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68693.

The product of its digits is 64512, while the sum is 39.

The square root of 7828266 is about 2797.9038582482. The cubic root of 7828266 is about 198.5585189554.

The spelling of 7828266 in words is "seven million, eight hundred twenty-eight thousand, two hundred sixty-six".