1002686628 has 24 divisors (see below), whose sum is σ = 2340781632. Its totient is φ = 334060384.

The previous prime is 1002686627. The next prime is 1002686669. The reversal of 1002686628 is 8266862001.

1002686628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1002686627) 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, 5026 + ... + 45062.

It is an arithmetic number, because the mean of its divisors is an integer number (97532568).

Almost surely, 2^1002686628 is an apocalyptic number.

It is an amenable number.

1002686628 is an abundant number, since it is smaller than the sum of its proper divisors (1338095004).

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

1002686628 is a wasteful number, since it uses less digits than its factorization.

1002686628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42131 (or 42129 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1002686628 is about 31665.2274269426. The cubic root of 1002686628 is about 1000.8947418649.

The spelling of 1002686628 in words is "one billion, two million, six hundred eighty-six thousand, six hundred twenty-eight".