848399664 has 80 divisors (see below), whose sum is σ = 2511624960. Its totient is φ = 241739520.

The previous prime is 848399659. The next prime is 848399681. The reversal of 848399664 is 466993848.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127459 + ... + 133949.

It is an arithmetic number, because the mean of its divisors is an integer number (31395312).

Almost surely, 2^848399664 is an apocalyptic number.

848399664 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 848399664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1255812480).

848399664 is an abundant number, since it is smaller than the sum of its proper divisors (1663225296).

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

848399664 is a wasteful number, since it uses less digits than its factorization.

848399664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898 (or 6892 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The square root of 848399664 is about 29127.3010078174. The cubic root of 848399664 is about 946.6733745034.

The spelling of 848399664 in words is "eight hundred forty-eight million, three hundred ninety-nine thousand, six hundred sixty-four".