2038806138 has 16 divisors (see below), whose sum is σ = 4164370560. Its totient is φ = 665142336.

The previous prime is 2038806137. The next prime is 2038806149. The reversal of 2038806138 is 8316088302.

It is a junction number, because it is equal to n+sod(n) for n = 2038806096 and 2038806105.

It is not an unprimeable number, because it can be changed into a prime (2038806137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614623 + ... + 3615186.

It is an arithmetic number, because the mean of its divisors is an integer number (260273160).

Almost surely, 2^2038806138 is an apocalyptic number.

2038806138 is an abundant number, since it is smaller than the sum of its proper divisors (2125564422).

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

2038806138 is a wasteful number, since it uses less digits than its factorization.

2038806138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229861.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2038806138 is about 45153.1409538694. The cubic root of 2038806138 is about 1268.0176853541.

The spelling of 2038806138 in words is "two billion, thirty-eight million, eight hundred six thousand, one hundred thirty-eight".