1097808996 has 24 divisors (see below), whose sum is σ = 2586919104. Its totient is φ = 362312800.

The previous prime is 1097808953. The next prime is 1097808997. The reversal of 1097808996 is 6998087901.

It is not an unprimeable number, because it can be changed into a prime (1097808997) 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, 451680 + ... + 454103.

It is an arithmetic number, because the mean of its divisors is an integer number (107788296).

Almost surely, 2^1097808996 is an apocalyptic number.

It is an amenable number.

1097808996 is an abundant number, since it is smaller than the sum of its proper divisors (1489110108).

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

1097808996 is a wasteful number, since it uses less digits than its factorization.

1097808996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905891 (or 905889 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 57.

The square root of 1097808996 is about 33133.2008112709. The cubic root of 1097808996 is about 1031.5942872199.

The spelling of 1097808996 in words is "one billion, ninety-seven million, eight hundred eight thousand, nine hundred ninety-six".