805330436 has 12 divisors (see below), whose sum is σ = 1411937100. Its totient is φ = 401919840.

The previous prime is 805330433. The next prime is 805330453. The reversal of 805330436 is 634033508.

It can be written as a sum of positive squares in 2 ways, for example, as 649230400 + 156100036 = 25480^2 + 12494^2 .

It is a super-3 number, since 3×805330436³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (805330433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183911 + ... + 188238.

It is an arithmetic number, because the mean of its divisors is an integer number (117661425).

Almost surely, 2^805330436 is an apocalyptic number.

It is an amenable number.

805330436 is a deficient number, since it is larger than the sum of its proper divisors (606606664).

805330436 is a wasteful number, since it uses less digits than its factorization.

805330436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372694 (or 372692 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 805330436 is about 28378.3444901213. The cubic root of 805330436 is about 930.3750119777.

The spelling of 805330436 in words is "eight hundred five million, three hundred thirty thousand, four hundred thirty-six".