8651945 has 8 divisors (see below), whose sum is σ = 10717440. Its totient is φ = 6698160.

The previous prime is 8651941. The next prime is 8651953. The reversal of 8651945 is 5491568.

8651945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8651945 - 2² = 8651941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8651899 and 8651908.

It is not an unprimeable number, because it can be changed into a prime (8651941) 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 7 ways as a sum of consecutive naturals, for example, 27755 + ... + 28064.

It is an arithmetic number, because the mean of its divisors is an integer number (1339680).

Almost surely, 2^8651945 is an apocalyptic number.

It is an amenable number.

8651945 is a deficient number, since it is larger than the sum of its proper divisors (2065495).

8651945 is a wasteful number, since it uses less digits than its factorization.

8651945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55855.

The product of its digits is 43200, while the sum is 38.

The square root of 8651945 is about 2941.4188753049. The cubic root of 8651945 is about 205.2916333092.

The spelling of 8651945 in words is "eight million, six hundred fifty-one thousand, nine hundred forty-five".