3804990666 has 16 divisors (see below), whose sum is σ = 7611836544. Its totient is φ = 1268021024.

The previous prime is 3804990601. The next prime is 3804990697. The reversal of 3804990666 is 6660994083.

3804990666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49890 + ... + 100493.

It is an arithmetic number, because the mean of its divisors is an integer number (475739784).

Almost surely, 2^3804990666 is an apocalyptic number.

3804990666 is an abundant number, since it is smaller than the sum of its proper divisors (3806845878).

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

3804990666 is a wasteful number, since it uses less digits than its factorization.

3804990666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154605.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 3804990666 is about 61684.6063941402. The cubic root of 3804990666 is about 1561.1735999407.

The spelling of 3804990666 in words is "three billion, eight hundred four million, nine hundred ninety thousand, six hundred sixty-six".