276442 has 8 divisors (see below), whose sum is σ = 421056. Its totient is φ = 136092.

The previous prime is 276439. The next prime is 276443. The reversal of 276442 is 244672.

276442 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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

It is not an unprimeable number, because it can be changed into a prime (276443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 898 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (52632).

2²⁷⁶⁴⁴² is an apocalyptic number.

276442 is a deficient number, since it is larger than the sum of its proper divisors (144614).

276442 is a wasteful number, since it uses less digits than its factorization.

276442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its digits is 2688, while the sum is 25.

The square root of 276442 is about 525.7775194890. Note that the first 3 decimals coincide. The cubic root of 276442 is about 65.1430380588.

The spelling of 276442 in words is "two hundred seventy-six thousand, four hundred forty-two".