5721835 has 8 divisors (see below), whose sum is σ = 7847136. Its totient is φ = 3923520.

The previous prime is 5721829. The next prime is 5721839. The reversal of 5721835 is 5381275.

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

It is not a de Polignac number, because 5721835 - 2⁵ = 5721803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5721797 and 5721806.

It is not an unprimeable number, because it can be changed into a prime (5721839) 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, 81706 + ... + 81775.

It is an arithmetic number, because the mean of its divisors is an integer number (980892).

Almost surely, 2^5721835 is an apocalyptic number.

5721835 is a deficient number, since it is larger than the sum of its proper divisors (2125301).

5721835 is a wasteful number, since it uses less digits than its factorization.

5721835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163493.

The product of its digits is 8400, while the sum is 31.

The square root of 5721835 is about 2392.0357438801. The cubic root of 5721835 is about 178.8594029276.

It can be divided in two parts, 5721 and 835, that added together give a palindrome (6556).

The spelling of 5721835 in words is "five million, seven hundred twenty-one thousand, eight hundred thirty-five".