805449248 has 54 divisors (see below), whose sum is σ = 1651841919. Its totient is φ = 386589952.

The previous prime is 805449221. The next prime is 805449257. The reversal of 805449248 is 842944508.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 743543824 + 61905424 = 27268^2 + 7868^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20068.

It is a super-2 number, since 2×805449248² = 1297496982207531008, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 805449199 and 805449208.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4655690 + ... + 4655862.

Almost surely, 2^805449248 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 805449248

805449248 is an abundant number, since it is smaller than the sum of its proper divisors (846392671).

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

805449248 is an equidigital number, since it uses as much as digits as its factorization.

805449248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 805449248 is about 28380.4377697033. The cubic root of 805449248 is about 930.4207630861.

The spelling of 805449248 in words is "eight hundred five million, four hundred forty-nine thousand, two hundred forty-eight".