4383866646 has 24 divisors (see below), whose sum is σ = 9506674944. Its totient is φ = 1460012400.

The previous prime is 4383866621. The next prime is 4383866647. The reversal of 4383866646 is 6466683834.

It is a super-2 number, since 2×4383866646² = 38436573539822578632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4383866592 and 4383866601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4383866647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85081 + ... + 126516.

It is an arithmetic number, because the mean of its divisors is an integer number (396111456).

Almost surely, 2^4383866646 is an apocalyptic number.

4383866646 is an abundant number, since it is smaller than the sum of its proper divisors (5122808298).

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

4383866646 is a wasteful number, since it uses less digits than its factorization.

4383866646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212756 (or 212753 counting only the distinct ones).

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

The square root of 4383866646 is about 66210.7743951088. The cubic root of 4383866646 is about 1636.6373004540.

The spelling of 4383866646 in words is "four billion, three hundred eighty-three million, eight hundred sixty-six thousand, six hundred forty-six".