906564785 has 16 divisors (see below), whose sum is σ = 1243796736. Its totient is φ = 621390528.

The previous prime is 906564781. The next prime is 906564793. The reversal of 906564785 is 587465609.

It is a cyclic number.

It is not a de Polignac number, because 906564785 - 2² = 906564781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (906564781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131279 + ... + 138011.

It is an arithmetic number, because the mean of its divisors is an integer number (77737296).

Almost surely, 2^906564785 is an apocalyptic number.

It is an amenable number.

906564785 is a deficient number, since it is larger than the sum of its proper divisors (337231951).

906564785 is a wasteful number, since it uses less digits than its factorization.

906564785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The square root of 906564785 is about 30109.2142873241. The cubic root of 906564785 is about 967.8311926029.

The spelling of 906564785 in words is "nine hundred six million, five hundred sixty-four thousand, seven hundred eighty-five".