3890816290 has 16 divisors (see below), whose sum is σ = 7004179512. Its totient is φ = 1556168704.

The previous prime is 3890816287. The next prime is 3890816297. The reversal of 3890816290 is 926180983.

3890816290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3861255321 + 29560969 = 62139^2 + 5437^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3890816290.

It is not an unprimeable number, because it can be changed into a prime (3890816297) 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, 184572 + ... + 204568.

Almost surely, 2^3890816290 is an apocalyptic number.

3890816290 is a deficient number, since it is larger than the sum of its proper divisors (3113363222).

3890816290 is a wasteful number, since it uses less digits than its factorization.

3890816290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39461.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 3890816290 is about 62376.4081203783. The cubic root of 3890816290 is about 1572.8244140151.

The spelling of 3890816290 in words is "three billion, eight hundred ninety million, eight hundred sixteen thousand, two hundred ninety".