268899192 has 24 divisors (see below), whose sum is σ = 728268840. Its totient is φ = 89633040.

The previous prime is 268899161. The next prime is 268899227. The reversal of 268899192 is 291998862.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1867284 + ... + 1867427.

It is an arithmetic number, because the mean of its divisors is an integer number (30344535).

Almost surely, 2^268899192 is an apocalyptic number.

It is an amenable number.

268899192 is an abundant number, since it is smaller than the sum of its proper divisors (459369648).

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

268899192 is a wasteful number, since it uses less digits than its factorization.

268899192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734723 (or 3734716 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 268899192 is about 16398.1459927639. The cubic root of 268899192 is about 645.4508331779.

The spelling of 268899192 in words is "two hundred sixty-eight million, eight hundred ninety-nine thousand, one hundred ninety-two".