989000774 has 16 divisors (see below), whose sum is σ = 1528074240. Its totient is φ = 479795400.

The previous prime is 989000773. The next prime is 989000777. The reversal of 989000774 is 477000989.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989000773) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25094 + ... + 51065.

It is an arithmetic number, because the mean of its divisors is an integer number (95504640).

Almost surely, 2^989000774 is an apocalyptic number.

989000774 is a deficient number, since it is larger than the sum of its proper divisors (539073466).

989000774 is a wasteful number, since it uses less digits than its factorization.

989000774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76355.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 989000774 is about 31448.3826929144. The cubic root of 989000774 is about 996.3200660304.

The spelling of 989000774 in words is "nine hundred eighty-nine million, seven hundred seventy-four", and thus it is an aban number.