994389312 has 112 divisors (see below), whose sum is σ = 3018690432. Its totient is φ = 282992640.

The previous prime is 994389307. The next prime is 994389317. The reversal of 994389312 is 213983499.

It is an interprime number because it is at equal distance from previous prime (994389307) and next prime (994389317).

It is a tau number, because it is divible by the number of its divisors (112).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994389317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376348 + ... + 378980.

Almost surely, 2^994389312 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 994389312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509345216).

994389312 is an abundant number, since it is smaller than the sum of its proper divisors (2024301120).

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

994389312 is a wasteful number, since it uses less digits than its factorization.

994389312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936 (or 2926 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 994389312 is about 31533.9390498555. The cubic root of 994389312 is about 998.1262619653.

The spelling of 994389312 in words is "nine hundred ninety-four million, three hundred eighty-nine thousand, three hundred twelve".