490635971 has 12 divisors (see below), whose sum is σ = 584662680. Its totient is φ = 410286240.

The previous prime is 490635953. The next prime is 490635983. The reversal of 490635971 is 179536094.

It is a de Polignac number, because none of the positive numbers 2^k-490635971 is a prime.

It is a super-2 number, since 2×490635971² = 481447312078225682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490605971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120101 + ... + 124118.

It is an arithmetic number, because the mean of its divisors is an integer number (48721890).

Almost surely, 2^490635971 is an apocalyptic number.

490635971 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

490635971 is a deficient number, since it is larger than the sum of its proper divisors (94026709).

490635971 is a wasteful number, since it uses less digits than its factorization.

490635971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244274 (or 244267 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 490635971 is about 22150.3040836915. The cubic root of 490635971 is about 788.7144455180.

The spelling of 490635971 in words is "four hundred ninety million, six hundred thirty-five thousand, nine hundred seventy-one".