5721982 has 8 divisors (see below), whose sum is σ = 9809136. Its totient is φ = 2452272.

The previous prime is 5721971. The next prime is 5722007. The reversal of 5721982 is 2891275.

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

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204343 + ... + 204370.

It is an arithmetic number, because the mean of its divisors is an integer number (1226142).

Almost surely, 2^5721982 is an apocalyptic number.

5721982 is a deficient number, since it is larger than the sum of its proper divisors (4087154).

5721982 is a wasteful number, since it uses less digits than its factorization.

5721982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408722.

The product of its digits is 10080, while the sum is 34.

The square root of 5721982 is about 2392.0664706483. The cubic root of 5721982 is about 178.8609346103.

The spelling of 5721982 in words is "five million, seven hundred twenty-one thousand, nine hundred eighty-two".