491684282 has 4 divisors (see below), whose sum is σ = 737526426. Its totient is φ = 245842140.

The previous prime is 491684267. The next prime is 491684309. The reversal of 491684282 is 282486194.

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

It can be written as a sum of positive squares in only one way, i.e., 469112281 + 22572001 = 21659^2 + 4751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122921069 + ... + 122921072.

Almost surely, 2^491684282 is an apocalyptic number.

491684282 is a deficient number, since it is larger than the sum of its proper divisors (245842144).

491684282 is a wasteful number, since it uses less digits than its factorization.

491684282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245842143.

The product of its digits is 221184, while the sum is 44.

The square root of 491684282 is about 22173.9550373856. The cubic root of 491684282 is about 789.2757780917.

It can be divided in two parts, 4916 and 84282, that added together give a palindrome (89198).

The spelling of 491684282 in words is "four hundred ninety-one million, six hundred eighty-four thousand, two hundred eighty-two".