268897039 has 4 divisors (see below), whose sum is σ = 270382840. Its totient is φ = 267411240.

The previous prime is 268897003. The next prime is 268897051. The reversal of 268897039 is 930798862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268897039 - 2¹⁷ = 268765967 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 (268891039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742629 + ... + 742990.

It is an arithmetic number, because the mean of its divisors is an integer number (67595710).

Almost surely, 2^268897039 is an apocalyptic number.

268897039 is a deficient number, since it is larger than the sum of its proper divisors (1485801).

268897039 is a wasteful number, since it uses less digits than its factorization.

268897039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485800.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 268897039 is about 16398.0803449672. The cubic root of 268897039 is about 645.4491105257.

The spelling of 268897039 in words is "two hundred sixty-eight million, eight hundred ninety-seven thousand, thirty-nine".