1985940676 has 6 divisors (see below), whose sum is σ = 3475396190. Its totient is φ = 992970336.

The previous prime is 1985940673. The next prime is 1985940703. The reversal of 1985940676 is 6760495891.

It can be written as a sum of positive squares in only one way, i.e., 1846936576 + 139004100 = 42976^2 + 11790^2 .

It is not an unprimeable number, because it can be changed into a prime (1985940673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248242581 + ... + 248242588.

Almost surely, 2^1985940676 is an apocalyptic number.

It is an amenable number.

1985940676 is a deficient number, since it is larger than the sum of its proper divisors (1489455514).

1985940676 is a wasteful number, since it uses less digits than its factorization.

1985940676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496485173 (or 496485171 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 1985940676 is about 44563.8943091826. The cubic root of 1985940676 is about 1256.9618318813.

The spelling of 1985940676 in words is "one billion, nine hundred eighty-five million, nine hundred forty thousand, six hundred seventy-six".