2146624 has 28 divisors (see below), whose sum is σ = 4512564. Its totient is φ = 1009664.

The previous prime is 2146619. The next prime is 2146633. The reversal of 2146624 is 4266412.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 1081600 = 1032^2 + 1040^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (161163).

2^2146624 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 2146624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2256282).

2146624 is an abundant number, since it is smaller than the sum of its proper divisors (2365940).

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

2146624 is a wasteful number, since it uses less digits than its factorization.

2146624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1992 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 2146624 is about 1465.1361711459. The cubic root of 2146624 is about 128.9986979818.

The spelling of 2146624 in words is "two million, one hundred forty-six thousand, six hundred twenty-four".