9857472 has 28 divisors (see below), whose sum is σ = 26081736. Its totient is φ = 3285760.

The previous prime is 9857461. The next prime is 9857479. The reversal of 9857472 is 2747589.

9857472 is nontrivially palindromic in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9857479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25479 + ... + 25862.

Almost surely, 2^9857472 is an apocalyptic number.

It is an amenable number.

9857472 is an abundant number, since it is smaller than the sum of its proper divisors (16224264).

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

9857472 is a wasteful number, since it uses less digits than its factorization.

9857472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51356 (or 51346 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 9857472 is about 3139.6611282111. The cubic root of 9857472 is about 214.4150097162.

The spelling of 9857472 in words is "nine million, eight hundred fifty-seven thousand, four hundred seventy-two".