2112474 has 64 divisors (see below), whose sum is σ = 5370624. Its totient is φ = 539136.

The previous prime is 2112469. The next prime is 2112493. The reversal of 2112474 is 4742112.

It is a happy number.

2112474 is nontrivially palindromic in base 9.

2112474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2112474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28902 + ... + 28974.

It is an arithmetic number, because the mean of its divisors is an integer number (83916).

2^2112474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2685312).

2112474 is an abundant number, since it is smaller than the sum of its proper divisors (3258150).

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

2112474 is a wasteful number, since it uses less digits than its factorization.

2112474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151.

The product of its digits is 448, while the sum is 21.

The square root of 2112474 is about 1453.4352410754. The cubic root of 2112474 is about 128.3109707854.

Adding to 2112474 its reverse (4742112), we get a palindrome (6854586).

The spelling of 2112474 in words is "two million, one hundred twelve thousand, four hundred seventy-four".