2113404 has 24 divisors (see below), whose sum is σ = 5102160. Its totient is φ = 680064.

The previous prime is 2113399. The next prime is 2113417. The reversal of 2113404 is 4043112.

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, 2689 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (212590).

2^2113404 is an apocalyptic number.

It is an amenable number.

2113404 is an abundant number, since it is smaller than the sum of its proper divisors (2988756).

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

2113404 is a wasteful number, since it uses less digits than its factorization.

2113404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2113404 is about 1453.7551375662. The cubic root of 2113404 is about 128.3297973202.

Adding to 2113404 its reverse (4043112), we get a palindrome (6156516).

The spelling of 2113404 in words is "two million, one hundred thirteen thousand, four hundred four".