989272620 has 432 divisors, whose sum is σ = 3816933120. Its totient is φ = 202487040.

The previous prime is 989272597. The next prime is 989272633. The reversal of 989272620 is 26272989.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 23006319 + ... + 23006361.

Almost surely, 2^989272620 is an apocalyptic number.

989272620 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989272620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908466560).

989272620 is an abundant number, since it is smaller than the sum of its proper divisors (2827660500).

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

989272620 is a wasteful number, since it uses less digits than its factorization.

989272620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 989272620 is about 31452.7044942084. The cubic root of 989272620 is about 996.4113436175.

The spelling of 989272620 in words is "nine hundred eighty-nine million, two hundred seventy-two thousand, six hundred twenty".