852449408 has 32 divisors (see below), whose sum is σ = 1753029120. Its totient is φ = 412473600.

The previous prime is 852449371. The next prime is 852449417. The reversal of 852449408 is 804944258.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 103448 + ... + 111383.

It is an arithmetic number, because the mean of its divisors is an integer number (54782160).

Almost surely, 2^852449408 is an apocalyptic number.

It is an amenable number.

852449408 is an abundant number, since it is smaller than the sum of its proper divisors (900579712).

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

852449408 is a wasteful number, since it uses less digits than its factorization.

852449408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214876 (or 214864 counting only the distinct ones).

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

The square root of 852449408 is about 29196.7362559585. The cubic root of 852449408 is about 948.1772651239.

The spelling of 852449408 in words is "eight hundred fifty-two million, four hundred forty-nine thousand, four hundred eight".