491379 has 8 divisors (see below), whose sum is σ = 748800. Its totient is φ = 280776.

The previous prime is 491377. The next prime is 491417. The reversal of 491379 is 973194.

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

It is not a de Polignac number, because 491379 - 2¹ = 491377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (491371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11679 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

2⁴⁹¹³⁷⁹ is an apocalyptic number.

491379 is a deficient number, since it is larger than the sum of its proper divisors (257421).

491379 is a wasteful number, since it uses less digits than its factorization.

491379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409.

The product of its digits is 6804, while the sum is 33.

The square root of 491379 is about 700.9843079556. The cubic root of 491379 is about 78.9112393048.

The spelling of 491379 in words is "four hundred ninety-one thousand, three hundred seventy-nine".