2111004 has 36 divisors (see below), whose sum is σ = 6099184. Its totient is φ = 603072.

The previous prime is 2110981. The next prime is 2111023. The reversal of 2111004 is 4001112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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, 3937 + ... + 4440.

2^2111004 is an apocalyptic number.

It is an amenable number.

2111004 is an abundant number, since it is smaller than the sum of its proper divisors (3988180).

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

2111004 is a wasteful number, since it uses less digits than its factorization.

2111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394 (or 8389 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2111004 is about 1452.9294545848. The cubic root of 2111004 is about 128.2812014415.

Adding to 2111004 its reverse (4001112), we get a palindrome (6112116).

It can be divided in two parts, 21 and 11004, that added together give a square (11025 = 105²).

The spelling of 2111004 in words is "two million, one hundred eleven thousand, four".