10420689 has 8 divisors (see below), whose sum is σ = 13927392. Its totient is φ = 6930560.

The previous prime is 10420687. The next prime is 10420703. The reversal of 10420689 is 98602401.

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 10420689 - 2¹ = 10420687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10420687) 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, 2592 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (1740924).

Almost surely, 2^10420689 is an apocalyptic number.

It is an amenable number.

10420689 is a deficient number, since it is larger than the sum of its proper divisors (3506703).

10420689 is an equidigital number, since it uses as much as digits as its factorization.

10420689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 10420689 is about 3228.1091988965. The cubic root of 10420689 is about 218.4232232212.

The spelling of 10420689 in words is "ten million, four hundred twenty thousand, six hundred eighty-nine".