3890963866 has 16 divisors (see below), whose sum is σ = 6096254400. Its totient is φ = 1859047168.

The previous prime is 3890963863. The next prime is 3890963891. The reversal of 3890963866 is 6683690983.

It is a self number, because there is not a number n which added to its sum of digits gives 3890963866.

It is not an unprimeable number, because it can be changed into a prime (3890963861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5370 + ... + 88378.

It is an arithmetic number, because the mean of its divisors is an integer number (381015900).

Almost surely, 2^3890963866 is an apocalyptic number.

3890963866 is a deficient number, since it is larger than the sum of its proper divisors (2205290534).

3890963866 is a wasteful number, since it uses less digits than its factorization.

3890963866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84053.

The product of its (nonzero) digits is 10077696, while the sum is 58.

The square root of 3890963866 is about 62377.5910564042. The cubic root of 3890963866 is about 1572.8442991483.

The spelling of 3890963866 in words is "three billion, eight hundred ninety million, nine hundred sixty-three thousand, eight hundred sixty-six".