3838131930 has 16 divisors (see below), whose sum is σ = 9211516704. Its totient is φ = 1023501840.

The previous prime is 3838131901. The next prime is 3838131931. The reversal of 3838131930 is 391318383.

It is not an unprimeable number, because it can be changed into a prime (3838131931) 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, 63968836 + ... + 63968895.

It is an arithmetic number, because the mean of its divisors is an integer number (575719794).

Almost surely, 2^3838131930 is an apocalyptic number.

3838131930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3838131930 is an abundant number, since it is smaller than the sum of its proper divisors (5373384774).

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

3838131930 is a wasteful number, since it uses less digits than its factorization.

3838131930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127937741.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 3838131930 is about 61952.6587807174. The cubic root of 3838131930 is about 1565.6930830987.

The spelling of 3838131930 in words is "three billion, eight hundred thirty-eight million, one hundred thirty-one thousand, nine hundred thirty".