8946081 has 9 divisors (see below), whose sum is σ = 12935091. Its totient is φ = 5958072.

The previous prime is 8946061. The next prime is 8946083. The reversal of 8946081 is 1806498.

It is a happy number.

The square root of 8946081 is 2991.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 1245456 = 2775^2 + 1116^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 8946081 - 2⁷ = 8945953 is a prime.

It is a super-2 number, since 2×8946081² = 160064730517122, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8946083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8475 + ... + 9471.

Almost surely, 2^8946081 is an apocalyptic number.

8946081 is the 2991-st square number.

8946081 is the 1496-th centered octagonal number.

It is an amenable number.

8946081 is a deficient number, since it is larger than the sum of its proper divisors (3989010).

8946081 is an frugal number, since it uses more digits than its factorization.

8946081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The cubic root of 8946081 is about 207.5921572544.

Multiplying 8946081 by its sum of digits (36), we get a square (322058916 = 17946²).

The spelling of 8946081 in words is "eight million, nine hundred forty-six thousand, eighty-one".