3291992648 has 32 divisors (see below), whose sum is σ = 7061108160. Its totient is φ = 1409486400.

The previous prime is 3291992633. The next prime is 3291992699. The reversal of 3291992648 is 8462991923.

It is a self number, because there is not a number n which added to its sum of digits gives 3291992648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30890 + ... + 86822.

It is an arithmetic number, because the mean of its divisors is an integer number (220659630).

Almost surely, 2^3291992648 is an apocalyptic number.

It is an amenable number.

3291992648 is an abundant number, since it is smaller than the sum of its proper divisors (3769115512).

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

3291992648 is a wasteful number, since it uses less digits than its factorization.

3291992648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56997 (or 56993 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The square root of 3291992648 is about 57375.8890824360. The cubic root of 3291992648 is about 1487.6003968487.

The spelling of 3291992648 in words is "three billion, two hundred ninety-one million, nine hundred ninety-two thousand, six hundred forty-eight".