689634482 has 8 divisors (see below), whose sum is σ = 1034647452. Its totient is φ = 344752000.

The previous prime is 689634443. The next prime is 689634521. The reversal of 689634482 is 284436986.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (689634443) and next prime (689634521).

It can be written as a sum of positive squares in 2 ways, for example, as 684921241 + 4713241 = 26171^2 + 2171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 689634482.

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, 18119 + ... + 41322.

Almost surely, 2^689634482 is an apocalyptic number.

689634482 is a deficient number, since it is larger than the sum of its proper divisors (345012970).

689634482 is a wasteful number, since it uses less digits than its factorization.

689634482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65244.

The product of its digits is 1990656, while the sum is 50.

The square root of 689634482 is about 26260.8926352476. The cubic root of 689634482 is about 883.4995298852.

The spelling of 689634482 in words is "six hundred eighty-nine million, six hundred thirty-four thousand, four hundred eighty-two".