1002648 has 16 divisors (see below), whose sum is σ = 2506680. Its totient is φ = 334208.

The previous prime is 1002647. The next prime is 1002653. The reversal of 1002648 is 8462001.

1002648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002647) 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, 20865 + ... + 20912.

2^1002648 is an apocalyptic number.

It is an amenable number.

1002648 is an abundant number, since it is smaller than the sum of its proper divisors (1504032).

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

1002648 is a wasteful number, since it uses less digits than its factorization.

1002648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41786 (or 41782 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1002648 is about 1001.3231246706. The cubic root of 1002648 is about 100.0881888710.

Adding to 1002648 its reverse (8462001), we get a palindrome (9464649).

The spelling of 1002648 in words is "one million, two thousand, six hundred forty-eight".