10395721 has 8 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 8386368.

The previous prime is 10395713. The next prime is 10395731. The reversal of 10395721 is 12759301.

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

It is a cyclic number.

It is not a de Polignac number, because 10395721 - 2³ = 10395713 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 10395721.

It is not an unprimeable number, because it can be changed into a prime (10395731) 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, 43561 + ... + 43798.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^10395721 is an apocalyptic number.

It is an amenable number.

10395721 is a deficient number, since it is larger than the sum of its proper divisors (2184119).

10395721 is an equidigital number, since it uses as much as digits as its factorization.

10395721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87383.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 10395721 is about 3224.2396002779. The cubic root of 10395721 is about 218.2486361585.

The spelling of 10395721 in words is "ten million, three hundred ninety-five thousand, seven hundred twenty-one".