9436838028 has 12 divisors (see below), whose sum is σ = 22019288760. Its totient is φ = 3145612672.

The previous prime is 9436838027. The next prime is 9436838029. The reversal of 9436838028 is 8208386349.

It is an interprime number because it is at equal distance from previous prime (9436838027) and next prime (9436838029).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9436838027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393201573 + ... + 393201596.

It is an arithmetic number, because the mean of its divisors is an integer number (1834940730).

Almost surely, 2^9436838028 is an apocalyptic number.

It is an amenable number.

9436838028 is an abundant number, since it is smaller than the sum of its proper divisors (12582450732).

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

9436838028 is a wasteful number, since it uses less digits than its factorization.

9436838028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786403176 (or 786403174 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 9436838028 is about 97143.3890082079. The cubic root of 9436838028 is about 2113.2076149035.

The spelling of 9436838028 in words is "nine billion, four hundred thirty-six million, eight hundred thirty-eight thousand, twenty-eight".