994428384 has 96 divisors (see below), whose sum is σ = 2766960000. Its totient is φ = 311837184.

The previous prime is 994428377. The next prime is 994428427. The reversal of 994428384 is 483824499.

994428384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269947 + ... + 273605.

It is an arithmetic number, because the mean of its divisors is an integer number (28822500).

Almost surely, 2^994428384 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 994428384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383480000).

994428384 is an abundant number, since it is smaller than the sum of its proper divisors (1772531616).

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

994428384 is a wasteful number, since it uses less digits than its factorization.

994428384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840 (or 3832 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 994428384 is about 31534.5585667534. The cubic root of 994428384 is about 998.1393347387.

The spelling of 994428384 in words is "nine hundred ninety-four million, four hundred twenty-eight thousand, three hundred eighty-four".