268489807 has 8 divisors (see below), whose sum is σ = 275614416. Its totient is φ = 261405312.

The previous prime is 268489799. The next prime is 268489829. The reversal of 268489807 is 708984862.

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 268489807 - 2³ = 268489799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268489867) 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, 3783 + ... + 23479.

It is an arithmetic number, because the mean of its divisors is an integer number (34451802).

Almost surely, 2^268489807 is an apocalyptic number.

268489807 is a deficient number, since it is larger than the sum of its proper divisors (7124609).

268489807 is a wasteful number, since it uses less digits than its factorization.

268489807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20057.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 268489807 is about 16385.6585769386. The cubic root of 268489807 is about 645.1231117283.

The spelling of 268489807 in words is "two hundred sixty-eight million, four hundred eighty-nine thousand, eight hundred seven".