994643312 has 80 divisors (see below), whose sum is σ = 2205588000. Its totient is φ = 430728192.

The previous prime is 994643311. The next prime is 994643329. The reversal of 994643312 is 213346499.

It is a self number, because there is not a number n which added to its sum of digits gives 994643312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994643311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429614 + ... + 431922.

It is an arithmetic number, because the mean of its divisors is an integer number (27569850).

Almost surely, 2^994643312 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 994643312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102794000).

994643312 is an abundant number, since it is smaller than the sum of its proper divisors (1210944688).

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

994643312 is a wasteful number, since it uses less digits than its factorization.

994643312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 2452 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 994643312 is about 31537.9661994872. The cubic root of 994643312 is about 998.2112395773.

The spelling of 994643312 in words is "nine hundred ninety-four million, six hundred forty-three thousand, three hundred twelve".