1990482 has 32 divisors (see below), whose sum is σ = 4341120. Its totient is φ = 608400.

The previous prime is 1990481. The next prime is 1990487. The reversal of 1990482 is 2840991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13107 + ... + 13257.

It is an arithmetic number, because the mean of its divisors is an integer number (135660).

2^1990482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1990482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170560).

1990482 is an abundant number, since it is smaller than the sum of its proper divisors (2350638).

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

1990482 is a wasteful number, since it uses less digits than its factorization.

1990482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1990482 is about 1410.8444279934. The cubic root of 1990482 is about 125.7919216194.

The spelling of 1990482 in words is "one million, nine hundred ninety thousand, four hundred eighty-two".