989460 has 72 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 251328.

The previous prime is 989441. The next prime is 989467. The reversal of 989460 is 64989.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989467) by changing a digit.

989460 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4021 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (43680).

2⁹⁸⁹⁴⁶⁰ is an apocalyptic number.

989460 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 989460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572480).

989460 is an abundant number, since it is smaller than the sum of its proper divisors (2155500).

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

989460 is a wasteful number, since it uses less digits than its factorization.

989460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 989460 is about 994.7160398827. The cubic root of 989460 is about 99.6474250366.

The spelling of 989460 in words is "nine hundred eighty-nine thousand, four hundred sixty".