491007 has 8 divisors (see below), whose sum is σ = 714240. Its totient is φ = 297560.

The previous prime is 491003. The next prime is 491039. The reversal of 491007 is 700194.

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 491007 - 2² = 491003 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7407 + ... + 7472.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

2⁴⁹¹⁰⁰⁷ is an apocalyptic number.

491007 is a deficient number, since it is larger than the sum of its proper divisors (223233).

491007 is a wasteful number, since it uses less digits than its factorization.

491007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14893.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 491007 is about 700.7189165421. The cubic root of 491007 is about 78.8913209445.

The spelling of 491007 in words is "four hundred ninety-one thousand, seven".