999348948 has 96 divisors (see below), whose sum is σ = 2815344000. Its totient is φ = 304722432.

The previous prime is 999348937. The next prime is 999348949. The reversal of 999348948 is 849843999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999348949) 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, 155503 + ... + 161801.

It is an arithmetic number, because the mean of its divisors is an integer number (29326500).

Almost surely, 2^999348948 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 999348948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407672000).

999348948 is an abundant number, since it is smaller than the sum of its proper divisors (1815995052).

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

999348948 is a wasteful number, since it uses less digits than its factorization.

999348948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438 (or 6430 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 999348948 is about 31612.4808896739. The cubic root of 999348948 is about 999.7829355531.

The spelling of 999348948 in words is "nine hundred ninety-nine million, three hundred forty-eight thousand, nine hundred forty-eight".