3938282831 has 6 divisors (see below), whose sum is σ = 4581267840. Its totient is φ = 3375670956.

The previous prime is 3938282807. The next prime is 3938282837. The reversal of 3938282831 is 1382828393.

It is not a de Polignac number, because 3938282831 - 2¹⁴ = 3938266447 is a prime.

It is a super-2 number, since 2×3938282831² = 31020143313898749122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938282837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40186511 + ... + 40186608.

It is an arithmetic number, because the mean of its divisors is an integer number (763544640).

Almost surely, 2^3938282831 is an apocalyptic number.

3938282831 is a deficient number, since it is larger than the sum of its proper divisors (642985009).

3938282831 is an equidigital number, since it uses as much as digits as its factorization.

3938282831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80373133 (or 80373126 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 3938282831 is about 62755.7394267648. The cubic root of 3938282831 is about 1579.1945409897.

The spelling of 3938282831 in words is "three billion, nine hundred thirty-eight million, two hundred eighty-two thousand, eight hundred thirty-one".