9985415 has 8 divisors (see below), whose sum is σ = 13071888. Its totient is φ = 7262080.

The previous prime is 9985403. The next prime is 9985421. The reversal of 9985415 is 5145899.

It is a happy number.

9985415 is digitally balanced in base 2, because in such base 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 9985415 - 2⁴ = 9985399 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

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, 90722 + ... + 90831.

It is an arithmetic number, because the mean of its divisors is an integer number (1633986).

Almost surely, 2^9985415 is an apocalyptic number.

9985415 is a deficient number, since it is larger than the sum of its proper divisors (3086473).

9985415 is a wasteful number, since it uses less digits than its factorization.

9985415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181569.

The product of its digits is 64800, while the sum is 41.

The square root of 9985415 is about 3159.9707277125. The cubic root of 9985415 is about 215.3386766069.

The spelling of 9985415 in words is "nine million, nine hundred eighty-five thousand, four hundred fifteen".