8395621 has 16 divisors (see below), whose sum is σ = 9668736. Its totient is φ = 7229376.

The previous prime is 8395619. The next prime is 8395627. The reversal of 8395621 is 1265938.

It is a cyclic number.

It is not a de Polignac number, because 8395621 - 2¹ = 8395619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8395627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12531 + ... + 13183.

It is an arithmetic number, because the mean of its divisors is an integer number (604296).

Almost surely, 2^8395621 is an apocalyptic number.

It is an amenable number.

8395621 is a deficient number, since it is larger than the sum of its proper divisors (1273115).

8395621 is a wasteful number, since it uses less digits than its factorization.

8395621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its digits is 12960, while the sum is 34.

The square root of 8395621 is about 2897.5198014854. The cubic root of 8395621 is about 203.2439414163.

The spelling of 8395621 in words is "eight million, three hundred ninety-five thousand, six hundred twenty-one".