9913385 has 8 divisors (see below), whose sum is σ = 12120840. Its totient is φ = 7780864.

The previous prime is 9913367. The next prime is 9913403. The reversal of 9913385 is 5833199.

It is an interprime number because it is at equal distance from previous prime (9913367) and next prime (9913403).

It can be written as a sum of positive squares in 4 ways, for example, as 110224 + 9803161 = 332^2 + 3131^2 .

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 9913385 - 2⁸ = 9913129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18440 + ... + 18969.

It is an arithmetic number, because the mean of its divisors is an integer number (1515105).

Almost surely, 2^9913385 is an apocalyptic number.

It is an amenable number.

9913385 is a deficient number, since it is larger than the sum of its proper divisors (2207455).

9913385 is a wasteful number, since it uses less digits than its factorization.

9913385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37467.

The product of its digits is 29160, while the sum is 38.

The square root of 9913385 is about 3148.5528421800. The cubic root of 9913385 is about 214.8196432302.

The spelling of 9913385 in words is "nine million, nine hundred thirteen thousand, three hundred eighty-five".