3685791284 has 48 divisors (see below), whose sum is σ = 7812080640. Its totient is φ = 1485396480.

The previous prime is 3685791281. The next prime is 3685791313. The reversal of 3685791284 is 4821975863.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685791281) 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 15 ways as a sum of consecutive naturals, for example, 682274 + ... + 687654.

It is an arithmetic number, because the mean of its divisors is an integer number (162751680).

Almost surely, 2^3685791284 is an apocalyptic number.

3685791284 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3685791284 is an abundant number, since it is smaller than the sum of its proper divisors (4126289356).

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

3685791284 is a wasteful number, since it uses less digits than its factorization.

3685791284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848 (or 6846 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 3685791284 is about 60710.7180323211. The cubic root of 3685791284 is about 1544.6979833685.

The spelling of 3685791284 in words is "three billion, six hundred eighty-five million, seven hundred ninety-one thousand, two hundred eighty-four".