3845945930 has 16 divisors (see below), whose sum is σ = 6934118400. Its totient is φ = 1535841552.

The previous prime is 3845945903. The next prime is 3845945951. The reversal of 3845945930 is 395495483.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310730 + ... + 322869.

It is an arithmetic number, because the mean of its divisors is an integer number (433382400).

Almost surely, 2^3845945930 is an apocalyptic number.

3845945930 is a deficient number, since it is larger than the sum of its proper divisors (3088172470).

3845945930 is a wasteful number, since it uses less digits than its factorization.

3845945930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634213.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 3845945930 is about 62015.6909983272. The cubic root of 3845945930 is about 1566.7548871905.

The spelling of 3845945930 in words is "three billion, eight hundred forty-five million, nine hundred forty-five thousand, nine hundred thirty".