9985356038 has 32 divisors (see below), whose sum is σ = 17715456000. Its totient is φ = 4130136864.

The previous prime is 9985356037. The next prime is 9985356049. The reversal of 9985356038 is 8306535899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985356037) 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, 1509863 + ... + 1516461.

It is an arithmetic number, because the mean of its divisors is an integer number (553608000).

Almost surely, 2^9985356038 is an apocalyptic number.

9985356038 is a deficient number, since it is larger than the sum of its proper divisors (7730099962).

9985356038 is a wasteful number, since it uses less digits than its factorization.

9985356038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The square root of 9985356038 is about 99926.7533646521. The cubic root of 9985356038 is about 2153.3825276127.

The spelling of 9985356038 in words is "nine billion, nine hundred eighty-five million, three hundred fifty-six thousand, thirty-eight".