5632809 has 32 divisors (see below), whose sum is σ = 9461760. Its totient is φ = 2901312.

The previous prime is 5632807. The next prime is 5632817. The reversal of 5632809 is 9082365.

It is a happy number.

It is not a de Polignac number, because 5632809 - 2¹ = 5632807 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5632809.

It is not an unprimeable number, because it can be changed into a prime (5632807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12612 + ... + 13050.

It is an arithmetic number, because the mean of its divisors is an integer number (295680).

Almost surely, 2^5632809 is an apocalyptic number.

It is an amenable number.

5632809 is a deficient number, since it is larger than the sum of its proper divisors (3828951).

5632809 is a wasteful number, since it uses less digits than its factorization.

5632809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 5632809 is about 2373.3539559029. The cubic root of 5632809 is about 177.9269257766.

It can be divided in two parts, 5632 and 809, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 5632809 in words is "five million, six hundred thirty-two thousand, eight hundred nine".