268538399 has 8 divisors (see below), whose sum is σ = 278006400. Its totient is φ = 259120800.

The previous prime is 268538393. The next prime is 268538411. The reversal of 268538399 is 993835862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268538399 is a prime.

It is a super-2 number, since 2×268538399² = 144225743474966402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268538399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268538393) 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, 1592 + ... + 23229.

It is an arithmetic number, because the mean of its divisors is an integer number (34750800).

Almost surely, 2^268538399 is an apocalyptic number.

268538399 is a deficient number, since it is larger than the sum of its proper divisors (9468001).

268538399 is a wasteful number, since it uses less digits than its factorization.

268538399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25201.

The product of its digits is 2799360, while the sum is 53.

The square root of 268538399 is about 16387.1412699104. The cubic root of 268538399 is about 645.1620280800.

The spelling of 268538399 in words is "two hundred sixty-eight million, five hundred thirty-eight thousand, three hundred ninety-nine".