984490 has 16 divisors (see below), whose sum is σ = 1908648. Its totient is φ = 363456.

The previous prime is 984481. The next prime is 984491. The reversal of 984490 is 94489.

984490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 904401 + 80089 = 951^2 + 283^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (984491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3657 + ... + 3916.

2⁹⁸⁴⁴⁹⁰ is an apocalyptic number.

984490 is a deficient number, since it is larger than the sum of its proper divisors (924158).

984490 is a wasteful number, since it uses less digits than its factorization.

984490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 984490 is about 992.2146945092. The cubic root of 984490 is about 99.4803038377.

The spelling of 984490 in words is "nine hundred eighty-four thousand, four hundred ninety".