1086688692 has 72 divisors (see below), whose sum is σ = 2814739200. Its totient is φ = 353337408.

The previous prime is 1086688643. The next prime is 1086688693. The reversal of 1086688692 is 2968866801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086688693) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 606534 + ... + 608322.

It is an arithmetic number, because the mean of its divisors is an integer number (39093600).

Almost surely, 2^1086688692 is an apocalyptic number.

1086688692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1086688692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407369600).

1086688692 is an abundant number, since it is smaller than the sum of its proper divisors (1728050508).

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

1086688692 is a wasteful number, since it uses less digits than its factorization.

1086688692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 1086688692 is about 32964.9615804417. The cubic root of 1086688692 is about 1028.0992664568.

The spelling of 1086688692 in words is "one billion, eighty-six million, six hundred eighty-eight thousand, six hundred ninety-two".