989773446 has 16 divisors (see below), whose sum is σ = 2009093184. Its totient is φ = 325000104.

The previous prime is 989773427. The next prime is 989773457. The reversal of 989773446 is 644377989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230660 + ... + 1231463.

It is an arithmetic number, because the mean of its divisors is an integer number (125568324).

Almost surely, 2^989773446 is an apocalyptic number.

989773446 is an abundant number, since it is smaller than the sum of its proper divisors (1019319738).

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

989773446 is a wasteful number, since it uses less digits than its factorization.

989773446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462195.

The product of its digits is 9144576, while the sum is 57.

The square root of 989773446 is about 31460.6650597218. The cubic root of 989773446 is about 996.5794619261.

The spelling of 989773446 in words is "nine hundred eighty-nine million, seven hundred seventy-three thousand, four hundred forty-six".