8318961 has 12 divisors (see below), whose sum is σ = 13732992. Its totient is φ = 4753656.

The previous prime is 8318951. The next prime is 8318971. The reversal of 8318961 is 1698138.

It is an interprime number because it is at equal distance from previous prime (8318951) and next prime (8318971).

It is not a de Polignac number, because 8318961 - 2⁶ = 8318897 is a prime.

It is a super-2 number, since 2×8318961² = 138410224239042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8318951) 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, 65961 + ... + 66086.

It is an arithmetic number, because the mean of its divisors is an integer number (1144416).

Almost surely, 2^8318961 is an apocalyptic number.

It is an amenable number.

8318961 is a deficient number, since it is larger than the sum of its proper divisors (5414031).

8318961 is a wasteful number, since it uses less digits than its factorization.

8318961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132060 (or 132057 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 8318961 is about 2884.2609105280. The cubic root of 8318961 is about 202.6234455361.

It can be divided in two parts, 83 and 18961, that added together give a square (19044 = 138²).

The spelling of 8318961 in words is "eight million, three hundred eighteen thousand, nine hundred sixty-one".