3928968250 has 16 divisors (see below), whose sum is σ = 7355029032. Its totient is φ = 1571587200.

The previous prime is 3928968233. The next prime is 3928968283. The reversal of 3928968250 is 528698293.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1734139449 + 2194828801 = 41643^2 + 46849^2 .

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, 7857687 + ... + 7858186.

Almost surely, 2^3928968250 is an apocalyptic number.

3928968250 is a deficient number, since it is larger than the sum of its proper divisors (3426060782).

3928968250 is a wasteful number, since it uses less digits than its factorization.

3928968250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715890 (or 15715880 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 3928968250 is about 62681.4825127804. The cubic root of 3928968250 is about 1577.9485540074.

The spelling of 3928968250 in words is "three billion, nine hundred twenty-eight million, nine hundred sixty-eight thousand, two hundred fifty".