994553856 has 312 divisors, whose sum is σ = 3261328560. Its totient is φ = 298450944.

The previous prime is 994553827. The next prime is 994553863. The reversal of 994553856 is 658355499.

It is a happy number.

994553856 is a `hidden beast` number, since 9 + 9 + 4 + 553 + 85 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (5832000) is a multiple of the sum of its prime divisors (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43241461 + ... + 43241483.

Almost surely, 2^994553856 is an apocalyptic number.

994553856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994553856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630664280).

994553856 is an abundant number, since it is smaller than the sum of its proper divisors (2266774704).

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

994553856 is a wasteful number, since it uses less digits than its factorization.

994553856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 45 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 994553856 is about 31536.5479404452. The cubic root of 994553856 is about 998.1813130496.

The spelling of 994553856 in words is "nine hundred ninety-four million, five hundred fifty-three thousand, eight hundred fifty-six".