5606821 has 8 divisors (see below), whose sum is σ = 6476544. Its totient is φ = 4797120.

The previous prime is 5606807. The next prime is 5606833. The reversal of 5606821 is 1286065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5606821 - 2⁵ = 5606789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5606821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5606801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14805 + ... + 15178.

It is an arithmetic number, because the mean of its divisors is an integer number (809568).

Almost surely, 2^5606821 is an apocalyptic number.

It is an amenable number.

5606821 is a deficient number, since it is larger than the sum of its proper divisors (869723).

5606821 is a wasteful number, since it uses less digits than its factorization.

5606821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30011.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5606821 is about 2367.8726739417. The cubic root of 5606821 is about 177.6528710139.

It can be divided in two parts, 560 and 6821, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 5606821 in words is "five million, six hundred six thousand, eight hundred twenty-one".