491489076 has 24 divisors (see below), whose sum is σ = 1235024224. Its totient is φ = 151227360.

The previous prime is 491489069. The next prime is 491489083. The reversal of 491489076 is 670984194.

It is an interprime number because it is at equal distance from previous prime (491489069) and next prime (491489083).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575130 + ... + 1575441.

Almost surely, 2^491489076 is an apocalyptic number.

It is an amenable number.

491489076 is an abundant number, since it is smaller than the sum of its proper divisors (743535148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491489076 is a wasteful number, since it uses less digits than its factorization.

491489076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150591 (or 3150589 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 491489076 is about 22169.5529048287. The cubic root of 491489076 is about 789.1713128436.

The spelling of 491489076 in words is "four hundred ninety-one million, four hundred eighty-nine thousand, seventy-six".