3894486545 has 8 divisors (see below), whose sum is σ = 4674162240. Its totient is φ = 3115070320.

The previous prime is 3894486539. The next prime is 3894486613. The reversal of 3894486545 is 5456844983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3894486545 - 2¹⁴ = 3894470161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30155 + ... + 93264.

It is an arithmetic number, because the mean of its divisors is an integer number (584270280).

Almost surely, 2^3894486545 is an apocalyptic number.

It is an amenable number.

3894486545 is a deficient number, since it is larger than the sum of its proper divisors (779675695).

3894486545 is a wasteful number, since it uses less digits than its factorization.

3894486545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129735.

The product of its digits is 16588800, while the sum is 56.

The square root of 3894486545 is about 62405.8214031351. The cubic root of 3894486545 is about 1573.3188134802.

The spelling of 3894486545 in words is "three billion, eight hundred ninety-four million, four hundred eighty-six thousand, five hundred forty-five".