5721236 has 48 divisors (see below), whose sum is σ = 11235840. Its totient is φ = 2540160.

The previous prime is 5721211. The next prime is 5721241. The reversal of 5721236 is 6321275.

5721236 is a Rhonda number in base 6.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 133031 + ... + 133073.

It is an arithmetic number, because the mean of its divisors is an integer number (234080).

Almost surely, 2^5721236 is an apocalyptic number.

It is an amenable number.

5721236 is a deficient number, since it is larger than the sum of its proper divisors (5514604).

5721236 is a wasteful number, since it uses less digits than its factorization.

5721236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 5721236 is about 2391.9105334439. The cubic root of 5721236 is about 178.8531613098.

The spelling of 5721236 in words is "five million, seven hundred twenty-one thousand, two hundred thirty-six".