10009427 has 8 divisors (see below), whose sum is σ = 10166064. Its totient is φ = 9854208.

The previous prime is 10009423. The next prime is 10009459. The reversal of 10009427 is 72490001.

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 10009427 - 2² = 10009423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10009423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31823 + ... + 32135.

It is an arithmetic number, because the mean of its divisors is an integer number (1270758).

Almost surely, 2^10009427 is an apocalyptic number.

10009427 is a deficient number, since it is larger than the sum of its proper divisors (156637).

10009427 is a wasteful number, since it uses less digits than its factorization.

10009427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 10009427 is about 3163.7678486261. The cubic root of 10009427 is about 215.5111472603.

Adding to 10009427 its reverse (72490001), we get a palindrome (82499428).

The spelling of 10009427 in words is "ten million, nine thousand, four hundred twenty-seven".