491284434 has 32 divisors (see below), whose sum is σ = 990720000. Its totient is φ = 162409104.

The previous prime is 491284369. The next prime is 491284457. The reversal of 491284434 is 434482194.

It is a junction number, because it is equal to n+sod(n) for n = 491284392 and 491284401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571497 + ... + 572355.

It is an arithmetic number, because the mean of its divisors is an integer number (30960000).

Almost surely, 2^491284434 is an apocalyptic number.

491284434 is an abundant number, since it is smaller than the sum of its proper divisors (499435566).

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

491284434 is a wasteful number, since it uses less digits than its factorization.

491284434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542.

The product of its digits is 110592, while the sum is 39.

The square root of 491284434 is about 22164.9370402896. The cubic root of 491284434 is about 789.0617681807.

The spelling of 491284434 in words is "four hundred ninety-one million, two hundred eighty-four thousand, four hundred thirty-four".