805384650 has 192 divisors, whose sum is σ = 2388418560. Its totient is φ = 175737600.

The previous prime is 805384649. The next prime is 805384663. The reversal of 805384650 is 56483508.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 805384599 and 805384608.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3547837 + ... + 3548063.

It is an arithmetic number, because the mean of its divisors is an integer number (12439680).

Almost surely, 2^805384650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805384650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194209280).

805384650 is an abundant number, since it is smaller than the sum of its proper divisors (1583033910).

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

805384650 is a wasteful number, since it uses less digits than its factorization.

805384650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 805384650 is about 28379.2996742344. The cubic root of 805384650 is about 930.3958887991.

The spelling of 805384650 in words is "eight hundred five million, three hundred eighty-four thousand, six hundred fifty".