3986231650 has 24 divisors (see below), whose sum is σ = 7452825444. Its totient is φ = 1586227200.

The previous prime is 3986231647. The next prime is 3986231657. The reversal of 3986231650 is 561326893.

It can be written as a sum of positive squares in 6 ways, for example, as 2086753761 + 1899477889 = 45681^2 + 43583^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3986231597 and 3986231606.

It is not an unprimeable number, because it can be changed into a prime (3986231657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196891 + ... + 216190.

Almost surely, 2^3986231650 is an apocalyptic number.

3986231650 is a deficient number, since it is larger than the sum of its proper divisors (3466593794).

3986231650 is a wasteful number, since it uses less digits than its factorization.

3986231650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413286 (or 413281 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 3986231650 is about 63136.6110113617. The cubic root of 3986231650 is about 1585.5776338040.

The spelling of 3986231650 in words is "three billion, nine hundred eighty-six million, two hundred thirty-one thousand, six hundred fifty".