268938790 has 16 divisors (see below), whose sum is σ = 484602912. Its totient is φ = 107461504.

The previous prime is 268938781. The next prime is 268938797. The reversal of 268938790 is 97839862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268938797) 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, 3994 + ... + 23533.

It is an arithmetic number, because the mean of its divisors is an integer number (30287682).

Almost surely, 2^268938790 is an apocalyptic number.

268938790 is a deficient number, since it is larger than the sum of its proper divisors (215664122).

268938790 is a wasteful number, since it uses less digits than its factorization.

268938790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28511.

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

The square root of 268938790 is about 16399.3533409095. The cubic root of 268938790 is about 645.4825145767.

The spelling of 268938790 in words is "two hundred sixty-eight million, nine hundred thirty-eight thousand, seven hundred ninety".