3894450486 has 32 divisors (see below), whose sum is σ = 7852531200. Its totient is φ = 1287588960.

The previous prime is 3894450473. The next prime is 3894450487. The reversal of 3894450486 is 6840544983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894450487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367125 + ... + 377583.

It is an arithmetic number, because the mean of its divisors is an integer number (245391600).

Almost surely, 2^3894450486 is an apocalyptic number.

3894450486 is an abundant number, since it is smaller than the sum of its proper divisors (3958080714).

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

3894450486 is a wasteful number, since it uses less digits than its factorization.

3894450486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10964.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The square root of 3894450486 is about 62405.5324951242. The cubic root of 3894450486 is about 1573.3139576858.

The spelling of 3894450486 in words is "three billion, eight hundred ninety-four million, four hundred fifty thousand, four hundred eighty-six".