8621901 has 12 divisors (see below), whose sum is σ = 12490140. Its totient is φ = 5731200.

The previous prime is 8621897. The next prime is 8621911. The reversal of 8621901 is 1091268.

8621901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5978025 + 2643876 = 2445^2 + 1626^2 .

It is not a de Polignac number, because 8621901 - 2² = 8621897 is a prime.

It is a super-3 number, since 3×8621901³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8621911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2415 + ... + 4803.

It is an arithmetic number, because the mean of its divisors is an integer number (1040845).

Almost surely, 2^8621901 is an apocalyptic number.

It is an amenable number.

8621901 is a deficient number, since it is larger than the sum of its proper divisors (3868239).

8621901 is a wasteful number, since it uses less digits than its factorization.

8621901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796 (or 2793 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 8621901 is about 2936.3073749184. The cubic root of 8621901 is about 205.0537317016.

The spelling of 8621901 in words is "eight million, six hundred twenty-one thousand, nine hundred one".