5709861 has 12 divisors (see below), whose sum is σ = 8681920. Its totient is φ = 3606120.

The previous prime is 5709857. The next prime is 5709863. The reversal of 5709861 is 1689075.

5709861 is a `hidden beast` number, since 570 + 9 + 86 + 1 = 666.

It is not a de Polignac number, because 5709861 - 2² = 5709857 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5709863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16525 + ... + 16866.

Almost surely, 2^5709861 is an apocalyptic number.

It is an amenable number.

5709861 is a deficient number, since it is larger than the sum of its proper divisors (2972059).

5709861 is a wasteful number, since it uses less digits than its factorization.

5709861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33416 (or 33413 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5709861 is about 2389.5315440479. The cubic root of 5709861 is about 178.7345503135.

The spelling of 5709861 in words is "five million, seven hundred nine thousand, eight hundred sixty-one".