490093 has 8 divisors (see below), whose sum is σ = 525312. Its totient is φ = 455616.

The previous prime is 490057. The next prime is 490097. The reversal of 490093 is 390094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490093 is a prime.

It is a super-2 number, since 2×490093² = 480382297298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046 + ... + 2272.

It is an arithmetic number, because the mean of its divisors is an integer number (65664).

2⁴⁹⁰⁰⁹³ is an apocalyptic number.

It is an amenable number.

490093 is a deficient number, since it is larger than the sum of its proper divisors (35219).

490093 is a wasteful number, since it uses less digits than its factorization.

490093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 490093 is about 700.0664254198. The cubic root of 490093 is about 78.8423389847.

Subtracting from 490093 its reverse (390094), we obtain a palindrome (99999).

The spelling of 490093 in words is "four hundred ninety thousand, ninety-three".