442498 has 8 divisors (see below), whose sum is σ = 758592. Its totient is φ = 189636.

The previous prime is 442489. The next prime is 442499. The reversal of 442498 is 894244.

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 (442499) by changing a digit.

442498 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, 15790 + ... + 15817.

It is an arithmetic number, because the mean of its divisors is an integer number (94824).

2⁴⁴²⁴⁹⁸ is an apocalyptic number.

442498 is a deficient number, since it is larger than the sum of its proper divisors (316094).

442498 is a wasteful number, since it uses less digits than its factorization.

442498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31616.

The product of its digits is 9216, while the sum is 31.

The square root of 442498 is about 665.2052314887. The cubic root of 442498 is about 76.2027136717.

It can be divided in two parts, 442 and 498, that multiplied together give a triangular number (220116 = T₆₆₃).

The spelling of 442498 in words is "four hundred forty-two thousand, four hundred ninety-eight".