920414647 has 2 divisors, whose sum is σ = 920414648. Its totient is φ = 920414646.

The previous prime is 920414641. The next prime is 920414681. The reversal of 920414647 is 746414029.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920414647 - 2⁷ = 920414519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920414641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460207323 + 460207324.

It is an arithmetic number, because the mean of its divisors is an integer number (460207324).

Almost surely, 2^920414647 is an apocalyptic number.

920414647 is a deficient number, since it is larger than the sum of its proper divisors (1).

920414647 is an equidigital number, since it uses as much as digits as its factorization.

920414647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 920414647 is about 30338.3362595908. The cubic root of 920414647 is about 972.7349205911.

The spelling of 920414647 in words is "nine hundred twenty million, four hundred fourteen thousand, six hundred forty-seven".