1982004 has 24 divisors (see below), whose sum is σ = 4868640. Its totient is φ = 625824.

The previous prime is 1981997. The next prime is 1982011. The reversal of 1982004 is 4002891.

It is an interprime number because it is at equal distance from previous prime (1981997) and next prime (1982011).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4119 + ... + 4574.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

2^1982004 is an apocalyptic number.

It is an amenable number.

1982004 is an abundant number, since it is smaller than the sum of its proper divisors (2886636).

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

1982004 is a wasteful number, since it uses less digits than its factorization.

1982004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719 (or 8717 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1982004 is about 1407.8366382503. The cubic root of 1982004 is about 125.6130735441.

Adding to 1982004 its reverse (4002891), we get a palindrome (5984895).

The spelling of 1982004 in words is "one million, nine hundred eighty-two thousand, four".