491627416 has 16 divisors (see below), whose sum is σ = 1053487440. Its totient is φ = 210697440.

The previous prime is 491627371. The next prime is 491627429. The reversal of 491627416 is 614726194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4389475 + ... + 4389586.

It is an arithmetic number, because the mean of its divisors is an integer number (65842965).

Almost surely, 2^491627416 is an apocalyptic number.

It is an amenable number.

491627416 is an abundant number, since it is smaller than the sum of its proper divisors (561860024).

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

491627416 is a wasteful number, since it uses less digits than its factorization.

491627416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8779074 (or 8779070 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 491627416 is about 22172.6727301875. The cubic root of 491627416 is about 789.2453488858.

The spelling of 491627416 in words is "four hundred ninety-one million, six hundred twenty-seven thousand, four hundred sixteen".