7828148 has 6 divisors (see below), whose sum is σ = 13699266. Its totient is φ = 3914072.

The previous prime is 7828147. The next prime is 7828157. The reversal of 7828148 is 8418287.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6091024 + 1737124 = 2468^2 + 1318^2 .

It is a super-3 number, since 3×7828148³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7828141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978515 + ... + 978522.

It is an arithmetic number, because the mean of its divisors is an integer number (2283211).

Almost surely, 2^7828148 is an apocalyptic number.

It is an amenable number.

7828148 is a deficient number, since it is larger than the sum of its proper divisors (5871118).

7828148 is a wasteful number, since it uses less digits than its factorization.

7828148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957041 (or 1957039 counting only the distinct ones).

The product of its digits is 28672, while the sum is 38.

The square root of 7828148 is about 2797.8827709538. The cubic root of 7828148 is about 198.5575212877.

It can be divided in two parts, 782 and 8148, that multiplied together give a palindrome (6371736).

The spelling of 7828148 in words is "seven million, eight hundred twenty-eight thousand, one hundred forty-eight".