489737457 has 24 divisors (see below), whose sum is σ = 778104288. Its totient is φ = 296803320.

The previous prime is 489737453. The next prime is 489737467. The reversal of 489737457 is 754737984.

It is not a de Polignac number, because 489737457 - 2² = 489737453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489737453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8463 + ... + 32420.

It is an arithmetic number, because the mean of its divisors is an integer number (32421012).

Almost surely, 2^489737457 is an apocalyptic number.

It is an amenable number.

489737457 is a deficient number, since it is larger than the sum of its proper divisors (288366831).

489737457 is a wasteful number, since it uses less digits than its factorization.

489737457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40922 (or 40897 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 489737457 is about 22130.0125847230. The cubic root of 489737457 is about 788.2326871090.

The spelling of 489737457 in words is "four hundred eighty-nine million, seven hundred thirty-seven thousand, four hundred fifty-seven".