3684140844 has 24 divisors (see below), whose sum is σ = 8597875440. Its totient is φ = 1227825984.

The previous prime is 3684140827. The next prime is 3684140891. The reversal of 3684140844 is 4480414863.

It is a junction number, because it is equal to n+sod(n) for n = 3684140796 and 3684140805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50742 + ... + 99714.

It is an arithmetic number, because the mean of its divisors is an integer number (358244810).

Almost surely, 2^3684140844 is an apocalyptic number.

It is an amenable number.

3684140844 is an abundant number, since it is smaller than the sum of its proper divisors (4913734596).

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

3684140844 is a wasteful number, since it uses less digits than its factorization.

3684140844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55249 (or 55247 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 3684140844 is about 60697.1238527823. The cubic root of 3684140844 is about 1544.4673850365.

The spelling of 3684140844 in words is "three billion, six hundred eighty-four million, one hundred forty thousand, eight hundred forty-four".