906640307 has 2 divisors, whose sum is σ = 906640308. Its totient is φ = 906640306.

The previous prime is 906640249. The next prime is 906640321. The reversal of 906640307 is 703046609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 906640307 - 2⁸ = 906640051 is a prime.

It is not a weakly prime, because it can be changed into another prime (906640367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453320153 + 453320154.

It is an arithmetic number, because the mean of its divisors is an integer number (453320154).

Almost surely, 2^906640307 is an apocalyptic number.

906640307 is a deficient number, since it is larger than the sum of its proper divisors (1).

906640307 is an equidigital number, since it uses as much as digits as its factorization.

906640307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 906640307 is about 30110.4683955597. The cubic root of 906640307 is about 967.8580671367.

The spelling of 906640307 in words is "nine hundred six million, six hundred forty thousand, three hundred seven".