3984290145 has 48 divisors (see below), whose sum is σ = 7618665600. Its totient is φ = 1910050560.

The previous prime is 3984290137. The next prime is 3984290171. The reversal of 3984290145 is 5410924893.

It is not a de Polignac number, because 3984290145 - 2³ = 3984290137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3984290145.

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 47 ways as a sum of consecutive naturals, for example, 1165 + ... + 89274.

It is an arithmetic number, because the mean of its divisors is an integer number (158722200).

Almost surely, 2^3984290145 is an apocalyptic number.

It is an amenable number.

3984290145 is a deficient number, since it is larger than the sum of its proper divisors (3634375455).

3984290145 is a wasteful number, since it uses less digits than its factorization.

3984290145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90550 (or 90547 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3984290145 is about 63121.2337094262. The cubic root of 3984290145 is about 1585.3201720296.

The spelling of 3984290145 in words is "three billion, nine hundred eighty-four million, two hundred ninety thousand, one hundred forty-five".