3904865340 has 48 divisors (see below), whose sum is σ = 10942840608. Its totient is φ = 1040419584.

The previous prime is 3904865323. The next prime is 3904865353. The reversal of 3904865340 is 435684093.

It is a junction number, because it is equal to n+sod(n) for n = 3904865292 and 3904865301.

It is a congruent number.

It is an unprimeable number.

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, 45954 + ... + 99606.

It is an arithmetic number, because the mean of its divisors is an integer number (227975846).

Almost surely, 2^3904865340 is an apocalyptic number.

3904865340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3904865340 is an abundant number, since it is smaller than the sum of its proper divisors (7037975268).

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

3904865340 is a wasteful number, since it uses less digits than its factorization.

3904865340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54878 (or 54876 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 3904865340 is about 62488.9217381769. The cubic root of 3904865340 is about 1574.7152037334.

The spelling of 3904865340 in words is "three billion, nine hundred four million, eight hundred sixty-five thousand, three hundred forty".