268508929 has 8 divisors (see below), whose sum is σ = 289837352. Its totient is φ = 247276800.

The previous prime is 268508927. The next prime is 268508939. The reversal of 268508929 is 929805862.

It can be written as a sum of positive squares in 4 ways, for example, as 859329 + 267649600 = 927^2 + 16360^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268508929 - 2¹ = 268508927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268508921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18222 + ... + 29479.

It is an arithmetic number, because the mean of its divisors is an integer number (36229669).

Almost surely, 2^268508929 is an apocalyptic number.

It is an amenable number.

268508929 is a deficient number, since it is larger than the sum of its proper divisors (21328423).

268508929 is a wasteful number, since it uses less digits than its factorization.

268508929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48147.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 268508929 is about 16386.2420646102. The cubic root of 268508929 is about 645.1384267123.

The spelling of 268508929 in words is "two hundred sixty-eight million, five hundred eight thousand, nine hundred twenty-nine".