806899740 has 96 divisors (see below), whose sum is σ = 2291224320. Its totient is φ = 212160000.

The previous prime is 806899739. The next prime is 806899787. The reversal of 806899740 is 47998608.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1972656 + ... + 1973064.

It is an arithmetic number, because the mean of its divisors is an integer number (23866920).

Almost surely, 2^806899740 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 806899740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145612160).

806899740 is an abundant number, since it is smaller than the sum of its proper divisors (1484324580).

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

806899740 is a wasteful number, since it uses less digits than its factorization.

806899740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 806899740 is about 28405.9807082945. The cubic root of 806899740 is about 930.9789437387.

The spelling of 806899740 in words is "eight hundred six million, eight hundred ninety-nine thousand, seven hundred forty".