442654 has 4 divisors (see below), whose sum is σ = 663984. Its totient is φ = 221326.

The previous prime is 442633. The next prime is 442691. The reversal of 442654 is 456244.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110662 + ... + 110665.

It is an arithmetic number, because the mean of its divisors is an integer number (165996).

2⁴⁴²⁶⁵⁴ is an apocalyptic number.

442654 is a deficient number, since it is larger than the sum of its proper divisors (221330).

442654 is a wasteful number, since it uses less digits than its factorization.

442654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221329.

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

The square root of 442654 is about 665.3224782014. The cubic root of 442654 is about 76.2116675553.

Adding to 442654 its reverse (456244), we get a palindrome (898898).

The spelling of 442654 in words is "four hundred forty-two thousand, six hundred fifty-four".