2146724 has 12 divisors (see below), whose sum is σ = 3770844. Its totient is φ = 1069344.

The previous prime is 2146723. The next prime is 2146733. The reversal of 2146724 is 4276412.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 1737124 = 640^2 + 1318^2 .

It is a d-powerful number, because it can be written as 2 + 1 + 4⁴ + 6⁶ + 7⁴ + 2²¹ + 4⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 2146693 and 2146702.

It is not an unprimeable number, because it can be changed into a prime (2146723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (314237).

2^2146724 is an apocalyptic number.

It is an amenable number.

2146724 is a deficient number, since it is larger than the sum of its proper divisors (1624120).

2146724 is a wasteful number, since it uses less digits than its factorization.

2146724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2012 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 2146724 is about 1465.1702972692. The cubic root of 2146724 is about 129.0007010759. Note that the first 3 decimals are identical.

Adding to 2146724 its product of digits (2688), we get a palindrome (2149412).

The spelling of 2146724 in words is "two million, one hundred forty-six thousand, seven hundred twenty-four".