1002090648 has 32 divisors (see below), whose sum is σ = 2697937200. Its totient is φ = 308335488.

The previous prime is 1002090641. The next prime is 1002090671. The reversal of 1002090648 is 8460902001.

It is a super-3 number, since 3×1002090648³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002090641) 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, 1605603 + ... + 1606226.

Almost surely, 2^1002090648 is an apocalyptic number.

It is an amenable number.

1002090648 is an abundant number, since it is smaller than the sum of its proper divisors (1695846552).

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

1002090648 is a wasteful number, since it uses less digits than its factorization.

1002090648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211851 (or 3211847 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1002090648 is about 31655.8153899090. The cubic root of 1002090648 is about 1000.6963975845.

Adding to 1002090648 its reverse (8460902001), we get a palindrome (9462992649).

The spelling of 1002090648 in words is "one billion, two million, ninety thousand, six hundred forty-eight".