2004001092 has 18 divisors (see below), whose sum is σ = 5065669518. Its totient is φ = 668000352.

The previous prime is 2004001091. The next prime is 2004001093. The reversal of 2004001092 is 2901004002.

It is an interprime number because it is at equal distance from previous prime (2004001091) and next prime (2004001093).

It can be written as a sum of positive squares in only one way, i.e., 1714456836 + 289544256 = 41406^2 + 17016^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2004001091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27833313 + ... + 27833384.

Almost surely, 2^2004001092 is an apocalyptic number.

It is an amenable number.

2004001092 is an abundant number, since it is smaller than the sum of its proper divisors (3061668426).

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

2004001092 is a wasteful number, since it uses less digits than its factorization.

2004001092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55666707 (or 55666702 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2004001092 is about 44766.0707679376. The cubic root of 2004001092 is about 1260.7606669183.

Adding to 2004001092 its reverse (2901004002), we get a palindrome (4905005094).

The spelling of 2004001092 in words is "two billion, four million, one thousand, ninety-two".