3863686446 has 32 divisors (see below), whose sum is σ = 8818027680. Its totient is φ = 1253086848.

The previous prime is 3863686429. The next prime is 3863686447. The reversal of 3863686446 is 6446863683.

It is a super-2 number, since 2×3863686446² = 29856145906008221832, which contains 22 as substring.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3863686392 and 3863686401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863686447) 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, 964891 + ... + 968886.

It is an arithmetic number, because the mean of its divisors is an integer number (275563365).

Almost surely, 2^3863686446 is an apocalyptic number.

3863686446 is an abundant number, since it is smaller than the sum of its proper divisors (4954341234).

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

3863686446 is a wasteful number, since it uses less digits than its factorization.

3863686446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933825 (or 1933819 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The square root of 3863686446 is about 62158.5589118667. The cubic root of 3863686446 is about 1569.1602262440.

The spelling of 3863686446 in words is "three billion, eight hundred sixty-three million, six hundred eighty-six thousand, four hundred forty-six".