671852896 has 96 divisors (see below), whose sum is σ = 1592299296. Its totient is φ = 274944000.

The previous prime is 671852849. The next prime is 671852917. The reversal of 671852896 is 698258176.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185826 + ... + 189406.

It is an arithmetic number, because the mean of its divisors is an integer number (16586451).

Almost surely, 2^671852896 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 671852896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796149648).

671852896 is an abundant number, since it is smaller than the sum of its proper divisors (920446400).

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

671852896 is a wasteful number, since it uses less digits than its factorization.

671852896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3648 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 671852896 is about 25920.1253083391. The cubic root of 671852896 is about 875.8399101404.

The spelling of 671852896 in words is "six hundred seventy-one million, eight hundred fifty-two thousand, eight hundred ninety-six".