9857613 has 8 divisors (see below), whose sum is σ = 13247488. Its totient is φ = 6519744.

The previous prime is 9857611. The next prime is 9857641. The reversal of 9857613 is 3167589.

9857613 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9857613 - 2¹ = 9857611 is a prime.

It is a Duffinian number.

9857613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9857611) 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, 12556 + ... + 13317.

It is an arithmetic number, because the mean of its divisors is an integer number (1655936).

Almost surely, 2^9857613 is an apocalyptic number.

It is an amenable number.

9857613 is a deficient number, since it is larger than the sum of its proper divisors (3389875).

9857613 is a wasteful number, since it uses less digits than its factorization.

9857613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26003.

The product of its digits is 45360, while the sum is 39.

The square root of 9857613 is about 3139.6835827835. The cubic root of 9857613 is about 214.4160320329.

It can be divided in two parts, 98576 and 13, that added together give a palindrome (98589).

The spelling of 9857613 in words is "nine million, eight hundred fifty-seven thousand, six hundred thirteen".