2081004 has 36 divisors (see below), whose sum is σ = 5192712. Its totient is φ = 646400.

The previous prime is 2080979. The next prime is 2081029. The reversal of 2081004 is 4001802.

It is an interprime number because it is at equal distance from previous prime (2080979) and next prime (2081029).

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20554 + ... + 20654.

It is an arithmetic number, because the mean of its divisors is an integer number (144242).

2^2081004 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 2081004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2596356).

2081004 is an abundant number, since it is smaller than the sum of its proper divisors (3111708).

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

2081004 is a wasteful number, since it uses less digits than its factorization.

2081004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2081004 is about 1442.5685425657. The cubic root of 2081004 is about 127.6706212450.

Adding to 2081004 its reverse (4001802), we get a palindrome (6082806).

The spelling of 2081004 in words is "two million, eighty-one thousand, four".