9873427 has 8 divisors (see below), whose sum is σ = 10256400. Its totient is φ = 9493344.

The previous prime is 9873389. The next prime is 9873433. The reversal of 9873427 is 7243789.

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 9873427 - 2⁷ = 9873299 is a prime.

It is a Duffinian number.

9873427 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9873427.

It is not an unprimeable number, because it can be changed into a prime (9873467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8349 + ... + 9457.

It is an arithmetic number, because the mean of its divisors is an integer number (1282050).

Almost surely, 2^9873427 is an apocalyptic number.

9873427 is a deficient number, since it is larger than the sum of its proper divisors (382973).

9873427 is a wasteful number, since it uses less digits than its factorization.

9873427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its digits is 84672, while the sum is 40.

The square root of 9873427 is about 3142.2009802048. The cubic root of 9873427 is about 214.5306291987.

The spelling of 9873427 in words is "nine million, eight hundred seventy-three thousand, four hundred twenty-seven".