994585984 has 64 divisors (see below), whose sum is σ = 2293286400. Its totient is φ = 420825600.

The previous prime is 994585981. The next prime is 994585993. The reversal of 994585984 is 489585499.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994585981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63759 + ... + 77809.

It is an arithmetic number, because the mean of its divisors is an integer number (35832600).

Almost surely, 2^994585984 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 994585984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146643200).

994585984 is an abundant number, since it is smaller than the sum of its proper divisors (1298700416).

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

994585984 is a wasteful number, since it uses less digits than its factorization.

994585984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151 (or 14139 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 61.

The square root of 994585984 is about 31537.0573135795. The cubic root of 994585984 is about 998.1920613276.

The spelling of 994585984 in words is "nine hundred ninety-four million, five hundred eighty-five thousand, nine hundred eighty-four".