994923648 has 192 divisors, whose sum is σ = 3074198400. Its totient is φ = 319915008.

The previous prime is 994923607. The next prime is 994923649. The reversal of 994923648 is 846329499.

994923648 is a `hidden beast` number, since 99 + 492 + 3 + 64 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 994923594 and 994923603.

It is not an unprimeable number, because it can be changed into a prime (994923649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901465 + ... + 902567.

It is an arithmetic number, because the mean of its divisors is an integer number (16011450).

Almost surely, 2^994923648 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 994923648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537099200).

994923648 is an abundant number, since it is smaller than the sum of its proper divisors (2079274752).

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

994923648 is a wasteful number, since it uses less digits than its factorization.

994923648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1137 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 994923648 is about 31542.4103073941. The cubic root of 994923648 is about 998.3050113032.

The spelling of 994923648 in words is "nine hundred ninety-four million, nine hundred twenty-three thousand, six hundred forty-eight".