3867819492 has 24 divisors (see below), whose sum is σ = 9026440416. Its totient is φ = 1289054848.

The previous prime is 3867819479. The next prime is 3867819499. The reversal of 3867819492 is 2949187683.

It is not an unprimeable number, because it can be changed into a prime (3867819499) 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 7 ways as a sum of consecutive naturals, for example, 56923 + ... + 104765.

It is an arithmetic number, because the mean of its divisors is an integer number (376101684).

Almost surely, 2^3867819492 is an apocalyptic number.

It is an amenable number.

3867819492 is an abundant number, since it is smaller than the sum of its proper divisors (5158620924).

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

3867819492 is a wasteful number, since it uses less digits than its factorization.

3867819492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54587 (or 54585 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 3867819492 is about 62191.7960184460. The cubic root of 3867819492 is about 1569.7195452902.

The spelling of 3867819492 in words is "three billion, eight hundred sixty-seven million, eight hundred nineteen thousand, four hundred ninety-two".