994678432 has 96 divisors (see below), whose sum is σ = 2283531264. Its totient is φ = 421478400.

The previous prime is 994678429. The next prime is 994678459. The reversal of 994678432 is 234876499.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 994678432.

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, 675457 + ... + 676927.

It is an arithmetic number, because the mean of its divisors is an integer number (23786784).

Almost surely, 2^994678432 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 994678432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141765632).

994678432 is an abundant number, since it is smaller than the sum of its proper divisors (1288852832).

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

994678432 is a wasteful number, since it uses less digits than its factorization.

994678432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1614 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 994678432 is about 31538.5229838051. The cubic root of 994678432 is about 998.2229880992. Note that the first 3 decimals are identical.

The spelling of 994678432 in words is "nine hundred ninety-four million, six hundred seventy-eight thousand, four hundred thirty-two".