989228046 has 32 divisors (see below), whose sum is σ = 2108966400. Its totient is φ = 308430720.

The previous prime is 989228021. The next prime is 989228057. The reversal of 989228046 is 640822989.

It is a junction number, because it is equal to n+sod(n) for n = 989227986 and 989228004.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45915 + ... + 63926.

It is an arithmetic number, because the mean of its divisors is an integer number (65905200).

Almost surely, 2^989228046 is an apocalyptic number.

989228046 is an abundant number, since it is smaller than the sum of its proper divisors (1119738354).

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

989228046 is a wasteful number, since it uses less digits than its factorization.

989228046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109944.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 989228046 is about 31451.9958985118. The cubic root of 989228046 is about 996.3963781754.

The spelling of 989228046 in words is "nine hundred eighty-nine million, two hundred twenty-eight thousand, forty-six".