5705921 has 8 divisors (see below), whose sum is σ = 6237504. Its totient is φ = 5187600.

The previous prime is 5705873. The next prime is 5705939. The reversal of 5705921 is 1295075.

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 5705921 - 2⁶ = 5705857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5705981) 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, 2405 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (779688).

Almost surely, 2^5705921 is an apocalyptic number.

It is an amenable number.

5705921 is a deficient number, since it is larger than the sum of its proper divisors (531583).

5705921 is a wasteful number, since it uses less digits than its factorization.

5705921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 5705921 is about 2388.7069724016. The cubic root of 5705921 is about 178.6934298631.

The spelling of 5705921 in words is "five million, seven hundred five thousand, nine hundred twenty-one".