994553648 has 40 divisors (see below), whose sum is σ = 2116102656. Its totient is φ = 449064000.

The previous prime is 994553647. The next prime is 994553657. The reversal of 994553648 is 846355499.

It is a self number, because there is not a number n which added to its sum of digits gives 994553648.

It is not an unprimeable number, because it can be changed into a prime (994553647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7865 + ... + 45287.

Almost surely, 2^994553648 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 994553648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058051328).

994553648 is an abundant number, since it is smaller than the sum of its proper divisors (1121549008).

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

994553648 is a wasteful number, since it uses less digits than its factorization.

994553648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37593 (or 37587 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 53.

The square root of 994553648 is about 31536.5446426840. The cubic root of 994553648 is about 998.1812434634.

The spelling of 994553648 in words is "nine hundred ninety-four million, five hundred fifty-three thousand, six hundred forty-eight".