3838531028 has 12 divisors (see below), whose sum is σ = 6881269332. Its totient is φ = 1872454080.

The previous prime is 3838531027. The next prime is 3838531043. The reversal of 3838531028 is 8201358383.

It can be written as a sum of positive squares in 2 ways, for example, as 2110299844 + 1728231184 = 45938^2 + 41572^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838531027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11702675 + ... + 11703002.

It is an arithmetic number, because the mean of its divisors is an integer number (573439111).

Almost surely, 2^3838531028 is an apocalyptic number.

It is an amenable number.

3838531028 is a deficient number, since it is larger than the sum of its proper divisors (3042738304).

3838531028 is a wasteful number, since it uses less digits than its factorization.

3838531028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23405722 (or 23405720 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 3838531028 is about 61955.8796886946. The cubic root of 3838531028 is about 1565.7473493696.

The spelling of 3838531028 in words is "three billion, eight hundred thirty-eight million, five hundred thirty-one thousand, twenty-eight".