862844948 has 96 divisors (see below), whose sum is σ = 1895792640. Its totient is φ = 335301120.

The previous prime is 862844947. The next prime is 862844953. The reversal of 862844948 is 849448268.

It is a self number, because there is not a number n which added to its sum of digits gives 862844948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862844947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1863365 + ... + 1863827.

It is an arithmetic number, because the mean of its divisors is an integer number (19747840).

Almost surely, 2^862844948 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 862844948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947896320).

862844948 is an abundant number, since it is smaller than the sum of its proper divisors (1032947692).

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

862844948 is a wasteful number, since it uses less digits than its factorization.

862844948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 635 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 53.

The square root of 862844948 is about 29374.2225088597. Note that the first 3 decimals coincide. The cubic root of 862844948 is about 952.0160134891.

The spelling of 862844948 in words is "eight hundred sixty-two million, eight hundred forty-four thousand, nine hundred forty-eight".