3994662888 has 24 divisors (see below), whose sum is σ = 10818878850. Its totient is φ = 1331554272.

The previous prime is 3994662823. The next prime is 3994662899. The reversal of 3994662888 is 8882664993.

3994662888 is a `hidden beast` number, since 3 + 99 + 466 + 2 + 8 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3993987204 + 675684 = 63198^2 + 822^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27740643 + ... + 27740786.

Almost surely, 2^3994662888 is an apocalyptic number.

It is an amenable number.

3994662888 is an abundant number, since it is smaller than the sum of its proper divisors (6824215962).

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

3994662888 is a wasteful number, since it uses less digits than its factorization.

3994662888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55481441 (or 55481434 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The square root of 3994662888 is about 63203.3455443618. The cubic root of 3994662888 is about 1586.6947262965.

The spelling of 3994662888 in words is "three billion, nine hundred ninety-four million, six hundred sixty-two thousand, eight hundred eighty-eight".