501985696 has 12 divisors (see below), whose sum is σ = 988284402. Its totient is φ = 250992832.

The previous prime is 501985637. The next prime is 501985699. The reversal of 501985696 is 696589105.

It can be written as a sum of positive squares in only one way, i.e., 490179600 + 11806096 = 22140^2 + 3436^2 .

It is not an unprimeable number, because it can be changed into a prime (501985699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7843495 + ... + 7843558.

Almost surely, 2^501985696 is an apocalyptic number.

It is an amenable number.

501985696 is a deficient number, since it is larger than the sum of its proper divisors (486298706).

501985696 is a wasteful number, since it uses less digits than its factorization.

501985696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15687063 (or 15687055 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 501985696 is about 22405.0372907523. The cubic root of 501985696 is about 794.7498367725.

It can be divided in two parts, 501985 and 696, that added together give a square (502681 = 709²).

The spelling of 501985696 in words is "five hundred one million, nine hundred eighty-five thousand, six hundred ninety-six".