268216904 has 16 divisors (see below), whose sum is σ = 503088300. Its totient is φ = 134060032.

The previous prime is 268216877. The next prime is 268216909. The reversal of 268216904 is 409612862.

It can be written as a sum of positive squares in 2 ways, for example, as 265624804 + 2592100 = 16298^2 + 1610^2 .

It is not an unprimeable number, because it can be changed into a prime (268216909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30404 + ... + 38220.

Almost surely, 2^268216904 is an apocalyptic number.

It is an amenable number.

268216904 is a deficient number, since it is larger than the sum of its proper divisors (234871396).

268216904 is a wasteful number, since it uses less digits than its factorization.

268216904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112 (or 12108 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 268216904 is about 16377.3289641504. The cubic root of 268216904 is about 644.9044619427.

The spelling of 268216904 in words is "two hundred sixty-eight million, two hundred sixteen thousand, nine hundred four".