544642 has 8 divisors (see below), whose sum is σ = 933696. Its totient is φ = 233412.

The previous prime is 544631. The next prime is 544651. The reversal of 544642 is 246445.

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

It is an Ulam number.

It is an unprimeable number.

544642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19438 + ... + 19465.

It is an arithmetic number, because the mean of its divisors is an integer number (116712).

2⁵⁴⁴⁶⁴² is an apocalyptic number.

544642 is a deficient number, since it is larger than the sum of its proper divisors (389054).

544642 is a wasteful number, since it uses less digits than its factorization.

544642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38912.

The product of its digits is 3840, while the sum is 25.

The square root of 544642 is about 737.9986449852. The cubic root of 544642 is about 81.6652024357.

The spelling of 544642 in words is "five hundred forty-four thousand, six hundred forty-two".