5709845 has 4 divisors (see below), whose sum is σ = 6851820. Its totient is φ = 4567872.

The previous prime is 5709817. The next prime is 5709857. The reversal of 5709845 is 5489075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 1540081 = 2042^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 5709845 - 2¹⁴ = 5693461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5709799 and 5709808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570980 + ... + 570989.

It is an arithmetic number, because the mean of its divisors is an integer number (1712955).

Almost surely, 2^5709845 is an apocalyptic number.

It is an amenable number.

5709845 is a deficient number, since it is larger than the sum of its proper divisors (1141975).

5709845 is a wasteful number, since it uses less digits than its factorization.

5709845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141974.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 5709845 is about 2389.5281961090. The cubic root of 5709845 is about 178.7343833652.

The spelling of 5709845 in words is "five million, seven hundred nine thousand, eight hundred forty-five".