489580916 has 12 divisors (see below), whose sum is σ = 934654560. Its totient is φ = 222536760.

The previous prime is 489580891. The next prime is 489580919. The reversal of 489580916 is 619085984.

It is a happy number.

It is a super-2 number, since 2×489580916² = 479378946622798112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489580919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5563376 + ... + 5563463.

It is an arithmetic number, because the mean of its divisors is an integer number (77887880).

Almost surely, 2^489580916 is an apocalyptic number.

It is an amenable number.

489580916 is a deficient number, since it is larger than the sum of its proper divisors (445073644).

489580916 is a wasteful number, since it uses less digits than its factorization.

489580916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126854 (or 11126852 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 489580916 is about 22126.4754536279. The cubic root of 489580916 is about 788.1486938860.

The spelling of 489580916 in words is "four hundred eighty-nine million, five hundred eighty thousand, nine hundred sixteen".