5870921 has 8 divisors (see below), whose sum is σ = 6741504. Its totient is φ = 5008320.

The previous prime is 5870881. The next prime is 5870923. The reversal of 5870921 is 1290785.

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 5870921 - 2⁶ = 5870857 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5870923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320 + ... + 3441.

It is an arithmetic number, because the mean of its divisors is an integer number (842688).

Almost surely, 2^5870921 is an apocalyptic number.

It is an amenable number.

5870921 is a deficient number, since it is larger than the sum of its proper divisors (870583).

5870921 is a wasteful number, since it uses less digits than its factorization.

5870921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 5870921 is about 2422.9983491534. The cubic root of 5870921 is about 180.3995343341.

The spelling of 5870921 in words is "five million, eight hundred seventy thousand, nine hundred twenty-one".