9985902 has 32 divisors (see below), whose sum is σ = 21606912. Its totient is φ = 3064704.

The previous prime is 9985901. The next prime is 9985903. The reversal of 9985902 is 2095899.

It is an interprime number because it is at equal distance from previous prime (9985901) and next prime (9985903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3753 + ... + 5835.

It is an arithmetic number, because the mean of its divisors is an integer number (675216).

Almost surely, 2^9985902 is an apocalyptic number.

9985902 is an abundant number, since it is smaller than the sum of its proper divisors (11621010).

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

9985902 is a wasteful number, since it uses less digits than its factorization.

9985902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 9985902 is about 3160.0477844488. The cubic root of 9985902 is about 215.3421773204.

The spelling of 9985902 in words is "nine million, nine hundred eighty-five thousand, nine hundred two".