984720 has 80 divisors (see below), whose sum is σ = 3339072. Its totient is φ = 238080.

The previous prime is 984707. The next prime is 984733. The reversal of 984720 is 27489.

It is an interprime number because it is at equal distance from previous prime (984707) and next prime (984733).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2454 + ... + 2826.

2⁹⁸⁴⁷²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 984720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669536).

984720 is an abundant number, since it is smaller than the sum of its proper divisors (2354352).

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

984720 is a wasteful number, since it uses less digits than its factorization.

984720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 984720 is about 992.3305900757. The cubic root of 984720 is about 99.4880502134.

The spelling of 984720 in words is "nine hundred eighty-four thousand, seven hundred twenty".