9487842 has 32 divisors (see below), whose sum is σ = 23356032. Its totient is φ = 2502144.

The previous prime is 9487837. The next prime is 9487867. The reversal of 9487842 is 2487849.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 9487794 and 9487803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8143 + ... + 9234.

It is an arithmetic number, because the mean of its divisors is an integer number (729876).

Almost surely, 2^9487842 is an apocalyptic number.

9487842 is an abundant number, since it is smaller than the sum of its proper divisors (13868190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9487842 is a wasteful number, since it uses less digits than its factorization.

9487842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402.

The product of its digits is 129024, while the sum is 42.

The square root of 9487842 is about 3080.2340820139. The cubic root of 9487842 is about 211.7007912687.

The spelling of 9487842 in words is "nine million, four hundred eighty-seven thousand, eight hundred forty-two".