984663642 has 16 divisors (see below), whose sum is σ = 1997065152. Its totient is φ = 323598240.

The previous prime is 984663607. The next prime is 984663643. The reversal of 984663642 is 246366489.

984663642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 984663591 and 984663600.

It is not an unprimeable number, because it can be changed into a prime (984663643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155283 + ... + 1156134.

It is an arithmetic number, because the mean of its divisors is an integer number (124816572).

Almost surely, 2^984663642 is an apocalyptic number.

984663642 is an abundant number, since it is smaller than the sum of its proper divisors (1012401510).

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

984663642 is a wasteful number, since it uses less digits than its factorization.

984663642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311493.

The product of its digits is 1492992, while the sum is 48.

The square root of 984663642 is about 31379.3505668935. The cubic root of 984663642 is about 994.8615219352.

The spelling of 984663642 in words is "nine hundred eighty-four million, six hundred sixty-three thousand, six hundred forty-two".