689355482 has 4 divisors (see below), whose sum is σ = 1034033226. Its totient is φ = 344677740.

The previous prime is 689355467. The next prime is 689355493. The reversal of 689355482 is 284553986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284553986 = 2 ⋅142276993.

It can be written as a sum of positive squares in only one way, i.e., 617969881 + 71385601 = 24859^2 + 8449^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 689355482.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172338869 + ... + 172338872.

Almost surely, 2^689355482 is an apocalyptic number.

689355482 is a deficient number, since it is larger than the sum of its proper divisors (344677744).

689355482 is a wasteful number, since it uses less digits than its factorization.

689355482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344677743.

The product of its digits is 2073600, while the sum is 50.

The square root of 689355482 is about 26255.5800164460. The cubic root of 689355482 is about 883.3803703286.

The spelling of 689355482 in words is "six hundred eighty-nine million, three hundred fifty-five thousand, four hundred eighty-two".