2128324 has 12 divisors (see below), whose sum is σ = 4063248. Its totient is φ = 967400.

The previous prime is 2128319. The next prime is 2128327. The reversal of 2128324 is 4238212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 2 + 1 + 2⁵ + 8⁷ + 3⁸ + 2¹³ + 4⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2128295 and 2128304.

It is not an unprimeable number, because it can be changed into a prime (2128327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24142 + ... + 24229.

It is an arithmetic number, because the mean of its divisors is an integer number (338604).

2^2128324 is an apocalyptic number.

It is an amenable number.

2128324 is a deficient number, since it is larger than the sum of its proper divisors (1934924).

2128324 is a wasteful number, since it uses less digits than its factorization.

2128324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48386 (or 48384 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2128324 is about 1458.8776507987. The cubic root of 2128324 is about 128.6310794341.

The spelling of 2128324 in words is "two million, one hundred twenty-eight thousand, three hundred twenty-four".