493091 has 4 divisors (see below), whose sum is σ = 495792. Its totient is φ = 490392.

The previous prime is 493067. The next prime is 493093. The reversal of 493091 is 190394.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 493091 - 2⁶ = 493027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 493091.

It is not an unprimeable number, because it can be changed into a prime (493093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (123948).

2⁴⁹³⁰⁹¹ is an apocalyptic number.

493091 is a deficient number, since it is larger than the sum of its proper divisors (2701).

493091 is a wasteful number, since it uses less digits than its factorization.

493091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 493091 is about 702.2043862011. The cubic root of 493091 is about 79.0027772351.

The spelling of 493091 in words is "four hundred ninety-three thousand, ninety-one".