989107420 has 48 divisors (see below), whose sum is σ = 2395673280. Its totient is φ = 336006144.

The previous prime is 989107397. The next prime is 989107423. The reversal of 989107420 is 24701989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989107423) 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 15 ways as a sum of consecutive naturals, for example, 17149 + ... + 47668.

It is an arithmetic number, because the mean of its divisors is an integer number (49909860).

Almost surely, 2^989107420 is an apocalyptic number.

It is an amenable number.

989107420 is an abundant number, since it is smaller than the sum of its proper divisors (1406565860).

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

989107420 is a wasteful number, since it uses less digits than its factorization.

989107420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64942 (or 64940 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 989107420 is about 31450.0782192986. The cubic root of 989107420 is about 996.3558764948.

The spelling of 989107420 in words is "nine hundred eighty-nine million, one hundred seven thousand, four hundred twenty".