900493 has 8 divisors (see below), whose sum is σ = 997056. Its totient is φ = 806400.

The previous prime is 900491. The next prime is 900511. The reversal of 900493 is 394009.

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

It is a cyclic number.

It is not a de Polignac number, because 900493 - 2¹ = 900491 is a prime.

It is a Duffinian number.

900493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900491) 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, 205 + ... + 1357.

It is an arithmetic number, because the mean of its divisors is an integer number (124632).

2⁹⁰⁰⁴⁹³ is an apocalyptic number.

It is an amenable number.

900493 is a deficient number, since it is larger than the sum of its proper divisors (96563).

900493 is a wasteful number, since it uses less digits than its factorization.

900493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

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

The square root of 900493 is about 948.9430962919. The cubic root of 900493 is about 96.5665643636.

The spelling of 900493 in words is "nine hundred thousand, four hundred ninety-three".