906865147 has 2 divisors, whose sum is σ = 906865148. Its totient is φ = 906865146.

The previous prime is 906865133. The next prime is 906865151. The reversal of 906865147 is 741568609.

It is a strong prime.

It is an emirp because it is prime and its reverse (741568609) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906865147 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 906865097 and 906865106.

It is not a weakly prime, because it can be changed into another prime (906865247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453432573 + 453432574.

It is an arithmetic number, because the mean of its divisors is an integer number (453432574).

Almost surely, 2^906865147 is an apocalyptic number.

906865147 is a deficient number, since it is larger than the sum of its proper divisors (1).

906865147 is an equidigital number, since it uses as much as digits as its factorization.

906865147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 906865147 is about 30114.2017493408. The cubic root of 906865147 is about 967.9380677057.

The spelling of 906865147 in words is "nine hundred six million, eight hundred sixty-five thousand, one hundred forty-seven".