5720381 has 8 divisors (see below), whose sum is σ = 6121080. Its totient is φ = 5326848.

The previous prime is 5720371. The next prime is 5720389. The reversal of 5720381 is 1830275.

It can be written as a sum of positive squares in 4 ways, for example, as 240100 + 5480281 = 490^2 + 2341^2 .

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

It is not a de Polignac number, because 5720381 - 2¹⁸ = 5458237 is a prime.

It is a super-2 number, since 2×5720381² = 65445517570322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 5720381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (765135).

Almost surely, 2^5720381 is an apocalyptic number.

It is an amenable number.

5720381 is a deficient number, since it is larger than the sum of its proper divisors (400699).

5720381 is a wasteful number, since it uses less digits than its factorization.

5720381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5720381 is about 2391.7317993454. The cubic root of 5720381 is about 178.8442514012.

The spelling of 5720381 in words is "five million, seven hundred twenty thousand, three hundred eighty-one".