988289641 has 16 divisors (see below), whose sum is σ = 1038643200. Its totient is φ = 939248640.

The previous prime is 988289629. The next prime is 988289651. The reversal of 988289641 is 146982889.

988289641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 988289641 - 2⁷ = 988289513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988289651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410760 + ... + 413158.

It is an arithmetic number, because the mean of its divisors is an integer number (64915200).

Almost surely, 2^988289641 is an apocalyptic number.

It is an amenable number.

988289641 is a deficient number, since it is larger than the sum of its proper divisors (50353559).

988289641 is a wasteful number, since it uses less digits than its factorization.

988289641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its digits is 1990656, while the sum is 55.

The square root of 988289641 is about 31437.0743072570. The cubic root of 988289641 is about 996.0812101463.

The spelling of 988289641 in words is "nine hundred eighty-eight million, two hundred eighty-nine thousand, six hundred forty-one".