493042 has 16 divisors (see below), whose sum is σ = 820512. Its totient is φ = 220320.

The previous prime is 493027. The next prime is 493043. The reversal of 493042 is 240394.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (493043) 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 7 ways as a sum of consecutive naturals, for example, 1453 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (51282).

2⁴⁹³⁰⁴² is an apocalyptic number.

493042 is a deficient number, since it is larger than the sum of its proper divisors (327470).

493042 is a wasteful number, since it uses less digits than its factorization.

493042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 493042 is about 702.1694952075. The cubic root of 493042 is about 79.0001602304. Note that the first 3 decimals are identical.

The spelling of 493042 in words is "four hundred ninety-three thousand, forty-two".