2621112 has 64 divisors (see below), whose sum is σ = 7311360. Its totient is φ = 777600.

The previous prime is 2621063. The next prime is 2621119. The reversal of 2621112 is 2111262.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2621091 and 2621100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9537 + ... + 9807.

It is an arithmetic number, because the mean of its divisors is an integer number (114240).

2^2621112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2621112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655680).

2621112 is an abundant number, since it is smaller than the sum of its proper divisors (4690248).

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

2621112 is a wasteful number, since it uses less digits than its factorization.

2621112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 320 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 2621112 is about 1618.9848671313. The cubic root of 2621112 is about 137.8780691525.

Adding to 2621112 its reverse (2111262), we get a palindrome (4732374).

The spelling of 2621112 in words is "two million, six hundred twenty-one thousand, one hundred twelve".