268471992 has 32 divisors (see below), whose sum is σ = 674150400. Its totient is φ = 89094624.

The previous prime is 268471991. The next prime is 268471993. The reversal of 268471992 is 299174862.

It is an interprime number because it is at equal distance from previous prime (268471991) and next prime (268471993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268471991) 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, 19192 + ... + 30087.

It is an arithmetic number, because the mean of its divisors is an integer number (21067200).

Almost surely, 2^268471992 is an apocalyptic number.

It is an amenable number.

268471992 is an abundant number, since it is smaller than the sum of its proper divisors (405678408).

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

268471992 is a wasteful number, since it uses less digits than its factorization.

268471992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49515 (or 49511 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 268471992 is about 16385.1149522974. The cubic root of 268471992 is about 645.1088428782.

The spelling of 268471992 in words is "two hundred sixty-eight million, four hundred seventy-one thousand, nine hundred ninety-two".