989927746 has 8 divisors (see below), whose sum is σ = 1512908604. Its totient is φ = 485624880.

The previous prime is 989927717. The next prime is 989927753. The reversal of 989927746 is 647729989.

It can be written as a sum of positive squares in 2 ways, for example, as 989794521 + 133225 = 31461^2 + 365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4669365 + ... + 4669576.

Almost surely, 2^989927746 is an apocalyptic number.

989927746 is a deficient number, since it is larger than the sum of its proper divisors (522980858).

989927746 is a wasteful number, since it uses less digits than its factorization.

989927746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9338996.

The product of its digits is 13716864, while the sum is 61.

The square root of 989927746 is about 31463.1172327219. The cubic root of 989927746 is about 996.6312462416.

The spelling of 989927746 in words is "nine hundred eighty-nine million, nine hundred twenty-seven thousand, seven hundred forty-six".