8040628 has 12 divisors (see below), whose sum is σ = 14196420. Its totient is φ = 3984512.

The previous prime is 8040623. The next prime is 8040631. The reversal of 8040628 is 8260408.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 4088484 = 1988^2 + 2022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8040596 and 8040605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8443 + ... + 9346.

It is an arithmetic number, because the mean of its divisors is an integer number (1183035).

Almost surely, 2^8040628 is an apocalyptic number.

It is an amenable number.

8040628 is a deficient number, since it is larger than the sum of its proper divisors (6155792).

8040628 is a wasteful number, since it uses less digits than its factorization.

8040628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17906 (or 17904 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 8040628 is about 2835.6001128509. The cubic root of 8040628 is about 200.3379951413.

It can be divided in two parts, 8040 and 628, that added together give a palindrome (8668).

The spelling of 8040628 in words is "eight million, forty thousand, six hundred twenty-eight".