3728896650 has 36 divisors (see below), whose sum is σ = 10018303542. Its totient is φ = 994372320.

The previous prime is 3728896631. The next prime is 3728896679. The reversal of 3728896650 is 566988273.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3130066809 + 598829841 = 55947^2 + 24471^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4142769 + ... + 4143668.

Almost surely, 2^3728896650 is an apocalyptic number.

3728896650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3728896650 is an abundant number, since it is smaller than the sum of its proper divisors (6289406892).

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

3728896650 is a wasteful number, since it uses less digits than its factorization.

3728896650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286455 (or 8286447 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 3728896650 is about 61064.6923352603. The cubic root of 3728896650 is about 1550.6964126890.

The spelling of 3728896650 in words is "three billion, seven hundred twenty-eight million, eight hundred ninety-six thousand, six hundred fifty".