1088999996 has 48 divisors (see below), whose sum is σ = 2258020800. Its totient is φ = 449637888.

The previous prime is 1088999969. The next prime is 1089000001. The reversal of 1088999996 is 6999998801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460850 + ... + 463206.

It is an arithmetic number, because the mean of its divisors is an integer number (47042100).

Almost surely, 2^1088999996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1088999996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129010400).

1088999996 is an abundant number, since it is smaller than the sum of its proper divisors (1169020804).

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

1088999996 is a wasteful number, since it uses less digits than its factorization.

1088999996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966 (or 2964 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 68.

The square root of 1088999996 is about 32999.9999393939. Note that the first 4 decimals coincide. The cubic root of 1088999996 is about 1028.8276465505.

The spelling of 1088999996 in words is "one billion, eighty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-six".