5945821 has 8 divisors (see below), whose sum is σ = 6810944. Its totient is φ = 5084640.

The previous prime is 5945813. The next prime is 5945833. The reversal of 5945821 is 1285495.

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 5945821 - 2³ = 5945813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5945851) 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, 3841 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (851368).

Almost surely, 2^5945821 is an apocalyptic number.

It is an amenable number.

5945821 is a deficient number, since it is larger than the sum of its proper divisors (865123).

5945821 is a wasteful number, since it uses less digits than its factorization.

5945821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971.

The product of its digits is 14400, while the sum is 34.

The square root of 5945821 is about 2438.4054215819. The cubic root of 5945821 is about 181.1634615026.

The spelling of 5945821 in words is "five million, nine hundred forty-five thousand, eight hundred twenty-one".