1999088 has 40 divisors (see below), whose sum is σ = 4770528. Its totient is φ = 790272.

The previous prime is 1999069. The next prime is 1999099. The reversal of 1999088 is 8809991.

It is a congruent number.

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, 770 + ... + 2142.

2^1999088 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 1999088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2385264).

1999088 is an abundant number, since it is smaller than the sum of its proper divisors (2771440).

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

1999088 is a wasteful number, since it uses less digits than its factorization.

1999088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 1999088 is about 1413.8910849143. The cubic root of 1999088 is about 125.9729512779.

The spelling of 1999088 in words is "one million, nine hundred ninety-nine thousand, eighty-eight".