490682971 has 4 divisors (see below), whose sum is σ = 491734152. Its totient is φ = 489631792.

The previous prime is 490682903. The next prime is 490682977. The reversal of 490682971 is 179286094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490682971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490682977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524890 + ... + 525823.

It is an arithmetic number, because the mean of its divisors is an integer number (122933538).

Almost surely, 2^490682971 is an apocalyptic number.

490682971 is a deficient number, since it is larger than the sum of its proper divisors (1051181).

490682971 is a wasteful number, since it uses less digits than its factorization.

490682971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051180.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 490682971 is about 22151.3649918013. The cubic root of 490682971 is about 788.7396294272.

The spelling of 490682971 in words is "four hundred ninety million, six hundred eighty-two thousand, nine hundred seventy-one".