689272516 has 9 divisors (see below), whose sum is σ = 1206318799. Its totient is φ = 344610004.

The previous prime is 689272513. The next prime is 689272517. The reversal of 689272516 is 615272986.

The square root of 689272516 is 26254.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689272513) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 45945 + ... + 59071.

Almost surely, 2^689272516 is an apocalyptic number.

689272516 is the 26254-th square number.

It is an amenable number.

689272516 is a deficient number, since it is larger than the sum of its proper divisors (517046283).

689272516 is an frugal number, since it uses more digits than its factorization.

689272516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26258 (or 13129 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The cubic root of 689272516 is about 883.3449297477.

The spelling of 689272516 in words is "six hundred eighty-nine million, two hundred seventy-two thousand, five hundred sixteen".