2820232 has 32 divisors (see below), whose sum is σ = 5686200. Its totient is φ = 1306624.

The previous prime is 2820229. The next prime is 2820239. The reversal of 2820232 is 2320282.

It can be written as a sum of positive squares in 4 ways, for example, as 1999396 + 820836 = 1414^2 + 906^2 .

It is not an unprimeable number, because it can be changed into a prime (2820239) 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, 11988 + ... + 12220.

2^2820232 is an apocalyptic number.

It is an amenable number.

2820232 is an abundant number, since it is smaller than the sum of its proper divisors (2865968).

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

2820232 is a wasteful number, since it uses less digits than its factorization.

2820232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2820232 is about 1679.3546379488. The cubic root of 2820232 is about 141.2846386973.

The spelling of 2820232 in words is "two million, eight hundred twenty thousand, two hundred thirty-two".