268892380 has 12 divisors (see below), whose sum is σ = 564674040. Its totient is φ = 107556944.

The previous prime is 268892363. The next prime is 268892399. The reversal of 268892380 is 83298862.

It is a happy number.

It is a super-2 number, since 2×268892380² = 144606224044128800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268892380.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6722290 + ... + 6722329.

It is an arithmetic number, because the mean of its divisors is an integer number (47056170).

Almost surely, 2^268892380 is an apocalyptic number.

268892380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268892380 is an abundant number, since it is smaller than the sum of its proper divisors (295781660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268892380 is a wasteful number, since it uses less digits than its factorization.

268892380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13444628 (or 13444626 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 268892380 is about 16397.9382850406. The cubic root of 268892380 is about 645.4453827485.

The spelling of 268892380 in words is "two hundred sixty-eight million, eight hundred ninety-two thousand, three hundred eighty".