2809352 has 64 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 1041408.

The previous prime is 2809351. The next prime is 2809363. The reversal of 2809352 is 2539082.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2809351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12263 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

2^2809352 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 2809352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447360).

2809352 is an abundant number, since it is smaller than the sum of its proper divisors (4085368).

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

2809352 is a wasteful number, since it uses less digits than its factorization.

2809352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2809352 is about 1676.1121680842. The cubic root of 2809352 is about 141.1027201124.

The spelling of 2809352 in words is "two million, eight hundred nine thousand, three hundred fifty-two".