989070894 has 48 divisors (see below), whose sum is σ = 2454192000. Its totient is φ = 282007440.

The previous prime is 989070847. The next prime is 989070899. The reversal of 989070894 is 498070989.

989070894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×989070894² = 1956522466715918472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 989070894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989070899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55009 + ... + 70739.

It is an arithmetic number, because the mean of its divisors is an integer number (51129000).

Almost surely, 2^989070894 is an apocalyptic number.

989070894 is an abundant number, since it is smaller than the sum of its proper divisors (1465121106).

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

989070894 is a wasteful number, since it uses less digits than its factorization.

989070894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16245 (or 16242 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 989070894 is about 31449.4975158587. The cubic root of 989070894 is about 996.3436117862.

The spelling of 989070894 in words is "nine hundred eighty-nine million, seventy thousand, eight hundred ninety-four".