491743082 has 32 divisors (see below), whose sum is σ = 809412480. Its totient is φ = 223312320.

The previous prime is 491743081. The next prime is 491743097. The reversal of 491743082 is 280347194.

It is a super-2 number, since 2×491743082² = 483622517389717448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (491743081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78353 + ... + 84395.

It is an arithmetic number, because the mean of its divisors is an integer number (25294140).

Almost surely, 2^491743082 is an apocalyptic number.

491743082 is a deficient number, since it is larger than the sum of its proper divisors (317669398).

491743082 is a wasteful number, since it uses less digits than its factorization.

491743082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 491743082 is about 22175.2808775898. The cubic root of 491743082 is about 789.3072397210.

The spelling of 491743082 in words is "four hundred ninety-one million, seven hundred forty-three thousand, eighty-two".