3866985486 has 48 divisors (see below), whose sum is σ = 10311965664. Its totient is φ = 1019863872.

The previous prime is 3866985433. The next prime is 3866985491. The reversal of 3866985486 is 6845896683.

3866985486 is a `hidden beast` number, since 3 + 8 + 66 + 98 + 5 + 486 = 666.

3866985486 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1178761 + ... + 1182036.

It is an arithmetic number, because the mean of its divisors is an integer number (214832618).

Almost surely, 2^3866985486 is an apocalyptic number.

3866985486 is an abundant number, since it is smaller than the sum of its proper divisors (6444980178).

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

3866985486 is a wasteful number, since it uses less digits than its factorization.

3866985486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360825 (or 2360822 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The square root of 3866985486 is about 62185.0905442776. The cubic root of 3866985486 is about 1569.6067125836.

The spelling of 3866985486 in words is "three billion, eight hundred sixty-six million, nine hundred eighty-five thousand, four hundred eighty-six".