994884618 has 64 divisors (see below), whose sum is σ = 2460229632. Its totient is φ = 261178560.

The previous prime is 994884617. The next prime is 994884629. The reversal of 994884618 is 816488499.

994884618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (994884613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117673 + ... + 125843.

It is an arithmetic number, because the mean of its divisors is an integer number (38441088).

Almost surely, 2^994884618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994884618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230114816).

994884618 is an abundant number, since it is smaller than the sum of its proper divisors (1465345014).

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

994884618 is a wasteful number, since it uses less digits than its factorization.

994884618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419.

The product of its digits is 3981312, while the sum is 57.

The square root of 994884618 is about 31541.7916104967. The cubic root of 994884618 is about 998.2919569165.

The spelling of 994884618 in words is "nine hundred ninety-four million, eight hundred eighty-four thousand, six hundred eighteen".