849821952 has 72 divisors (see below), whose sum is σ = 2584891456. Its totient is φ = 242804736.

The previous prime is 849821923. The next prime is 849821971. The reversal of 849821952 is 259128948.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73663 + ... + 84414.

Almost surely, 2^849821952 is an apocalyptic number.

It is an amenable number.

849821952 is an abundant number, since it is smaller than the sum of its proper divisors (1735069504).

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

849821952 is a wasteful number, since it uses less digits than its factorization.

849821952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158103 (or 158089 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 849821952 is about 29151.7058162983. The cubic root of 849821952 is about 947.2020916986.

The spelling of 849821952 in words is "eight hundred forty-nine million, eight hundred twenty-one thousand, nine hundred fifty-two".