2146530 has 16 divisors (see below), whose sum is σ = 5151744. Its totient is φ = 572400.

The previous prime is 2146523. The next prime is 2146531. The reversal of 2146530 is 356412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2146497 and 2146506.

It is not an unprimeable number, because it can be changed into a prime (2146531) 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 7 ways as a sum of consecutive naturals, for example, 35746 + ... + 35805.

It is an arithmetic number, because the mean of its divisors is an integer number (321984).

2^2146530 is an apocalyptic number.

2146530 is an abundant number, since it is smaller than the sum of its proper divisors (3005214).

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

2146530 is a wasteful number, since it uses less digits than its factorization.

2146530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71561.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2146530 is about 1465.1040918651. The cubic root of 2146530 is about 128.9968150166.

The spelling of 2146530 in words is "two million, one hundred forty-six thousand, five hundred thirty".