5721386 has 16 divisors (see below), whose sum is σ = 9592128. Its totient is φ = 2536800.

The previous prime is 5721371. The next prime is 5721389. The reversal of 5721386 is 6831275.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5721389) 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, 2270 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (599508).

Almost surely, 2^5721386 is an apocalyptic number.

5721386 is a deficient number, since it is larger than the sum of its proper divisors (3870742).

5721386 is a wasteful number, since it uses less digits than its factorization.

5721386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397.

The product of its digits is 10080, while the sum is 32.

The square root of 5721386 is about 2391.9418889262. The cubic root of 5721386 is about 178.8547243602.

The spelling of 5721386 in words is "five million, seven hundred twenty-one thousand, three hundred eighty-six".