491996083 has 8 divisors (see below), whose sum is σ = 498308096. Its totient is φ = 485713800.

The previous prime is 491996077. The next prime is 491996093. The reversal of 491996083 is 380699194.

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 491996083 - 2¹³ = 491987891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491996093) 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, 26878 + ... + 41308.

It is an arithmetic number, because the mean of its divisors is an integer number (62288512).

Almost surely, 2^491996083 is an apocalyptic number.

491996083 is a deficient number, since it is larger than the sum of its proper divisors (6312013).

491996083 is a wasteful number, since it uses less digits than its factorization.

491996083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14865.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 491996083 is about 22180.9847166441. The cubic root of 491996083 is about 789.4425822677.

The spelling of 491996083 in words is "four hundred ninety-one million, nine hundred ninety-six thousand, eighty-three".