8925621 has 16 divisors (see below), whose sum is σ = 12315648. Its totient is φ = 5745600.

The previous prime is 8925617. The next prime is 8925643. The reversal of 8925621 is 1265298.

It is not a de Polignac number, because 8925621 - 2² = 8925617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8925661) 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, 20991 + ... + 21411.

It is an arithmetic number, because the mean of its divisors is an integer number (769728).

Almost surely, 2^8925621 is an apocalyptic number.

It is an amenable number.

8925621 is a deficient number, since it is larger than the sum of its proper divisors (3390027).

8925621 is a wasteful number, since it uses less digits than its factorization.

8925621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its digits is 8640, while the sum is 33.

The square root of 8925621 is about 2987.5777814142. The cubic root of 8925621 is about 207.4337796142.

The spelling of 8925621 in words is "eight million, nine hundred twenty-five thousand, six hundred twenty-one".