268249885 has 16 divisors (see below), whose sum is σ = 358776000. Its totient is φ = 191344896.

The previous prime is 268249873. The next prime is 268249901. The reversal of 268249885 is 588942862.

It is not a de Polignac number, because 268249885 - 2⁵ = 268249853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81435 + ... + 84664.

It is an arithmetic number, because the mean of its divisors is an integer number (22423500).

Almost surely, 2^268249885 is an apocalyptic number.

It is an amenable number.

268249885 is a deficient number, since it is larger than the sum of its proper divisors (90526115).

268249885 is a wasteful number, since it uses less digits than its factorization.

268249885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166140.

The product of its digits is 2211840, while the sum is 52.

The square root of 268249885 is about 16378.3358434244. The cubic root of 268249885 is about 644.9308941847.

The spelling of 268249885 in words is "two hundred sixty-eight million, two hundred forty-nine thousand, eight hundred eighty-five".