9920707 has 8 divisors (see below), whose sum is σ = 10532592. Its totient is φ = 9312000.

The previous prime is 9920689. The next prime is 9920711. The reversal of 9920707 is 7070299.

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

It is a cyclic number.

It is not a de Polignac number, because 9920707 - 2⁷ = 9920579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9920737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9732 + ... + 10702.

It is an arithmetic number, because the mean of its divisors is an integer number (1316574).

Almost surely, 2^9920707 is an apocalyptic number.

9920707 is a deficient number, since it is larger than the sum of its proper divisors (611885).

9920707 is a wasteful number, since it uses less digits than its factorization.

9920707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 9920707 is about 3149.7153839673. The cubic root of 9920707 is about 214.8725186216.

The spelling of 9920707 in words is "nine million, nine hundred twenty thousand, seven hundred seven".