1002689484 has 12 divisors (see below), whose sum is σ = 2339608824. Its totient is φ = 334229824.

The previous prime is 1002689473. The next prime is 1002689491. The reversal of 1002689484 is 4849862001.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41778717 + ... + 41778740.

It is an arithmetic number, because the mean of its divisors is an integer number (194967402).

Almost surely, 2^1002689484 is an apocalyptic number.

It is an amenable number.

1002689484 is an abundant number, since it is smaller than the sum of its proper divisors (1336919340).

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

1002689484 is a wasteful number, since it uses less digits than its factorization.

1002689484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83557464 (or 83557462 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1002689484 is about 31665.2725236970. The cubic root of 1002689484 is about 1000.8956921627.

The spelling of 1002689484 in words is "one billion, two million, six hundred eighty-nine thousand, four hundred eighty-four".