3849945970 has 64 divisors (see below), whose sum is σ = 8051309280. Its totient is φ = 1312616448.

The previous prime is 3849945943. The next prime is 3849945971. The reversal of 3849945970 is 795499483.

It can be written as a sum of positive squares in 16 ways, for example, as 658486921 + 3191459049 = 25661^2 + 56493^2 .

It is not an unprimeable number, because it can be changed into a prime (3849945971) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 100696 + ... + 133564.

Almost surely, 2^3849945970 is an apocalyptic number.

3849945970 is an abundant number, since it is smaller than the sum of its proper divisors (4201363310).

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

3849945970 is a wasteful number, since it uses less digits than its factorization.

3849945970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32959.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The square root of 3849945970 is about 62047.9328422793. The cubic root of 3849945970 is about 1567.2978754747.

The spelling of 3849945970 in words is "three billion, eight hundred forty-nine million, nine hundred forty-five thousand, nine hundred seventy".