268442 has 8 divisors (see below), whose sum is σ = 408000. Its totient is φ = 132444.

The previous prime is 268439. The next prime is 268459. The reversal of 268442 is 244862.

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

It is a super-2 number, since 2×268442² = 144122214728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (51000).

2²⁶⁸⁴⁴² is an apocalyptic number.

268442 is a deficient number, since it is larger than the sum of its proper divisors (139558).

268442 is a wasteful number, since it uses less digits than its factorization.

268442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780.

The product of its digits is 3072, while the sum is 26.

The square root of 268442 is about 518.1138870943. The cubic root of 268442 is about 64.5084819485.

The spelling of 268442 in words is "two hundred sixty-eight thousand, four hundred forty-two".