2112440 has 32 divisors (see below), whose sum is σ = 5186160. Its totient is φ = 768000.

The previous prime is 2112419. The next prime is 2112469. The reversal of 2112440 is 442112.

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, 1961 + ... + 2840.

2^2112440 is an apocalyptic number.

2112440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112440 is an abundant number, since it is smaller than the sum of its proper divisors (3073720).

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

2112440 is a wasteful number, since it uses less digits than its factorization.

2112440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2112440 is about 1453.4235446008. The cubic root of 2112440 is about 128.3102823988.

Adding to 2112440 its reverse (442112), we get a palindrome (2554552).

It can be divided in two parts, 2112 and 440, that added together give a palindrome (2552).

The spelling of 2112440 in words is "two million, one hundred twelve thousand, four hundred forty".