3901686412860 has 120 divisors (see below), whose sum is σ = 12251408122800. Its totient is φ = 1039457408256.

The previous prime is 3901686412859. The next prime is 3901686412879. The reversal of 3901686412860 is 682146861093.

3901686412860 is a `hidden beast` number, since 3 + 9 + 0 + 168 + 6 + 412 + 8 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 3901686412797 and 3901686412806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 551407 + ... + 2847353.

It is an arithmetic number, because the mean of its divisors is an integer number (102095067690).

Almost surely, 2^{3901686412860} is an apocalyptic number.

3901686412860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3901686412860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6125704061400).

3901686412860 is an abundant number, since it is smaller than the sum of its proper divisors (8349721709940).

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

3901686412860 is a wasteful number, since it uses less digits than its factorization.

3901686412860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297017 (or 2297006 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 3901686412860 in words is "three trillion, nine hundred one billion, six hundred eighty-six million, four hundred twelve thousand, eight hundred sixty".