689435514 has 24 divisors (see below), whose sum is σ = 1494923040. Its totient is φ = 229635528.

The previous prime is 689435491. The next prime is 689435519. The reversal of 689435514 is 415534986.

689435514 is a `hidden beast` number, since 6 + 8 + 94 + 3 + 551 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 689435514.

It is not an unprimeable number, because it can be changed into a prime (689435519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10597 + ... + 38615.

It is an arithmetic number, because the mean of its divisors is an integer number (62288460).

Almost surely, 2^689435514 is an apocalyptic number.

689435514 is an abundant number, since it is smaller than the sum of its proper divisors (805487526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689435514 is a wasteful number, since it uses less digits than its factorization.

689435514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29394 (or 29391 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 689435514 is about 26257.1040672805. The cubic root of 689435514 is about 883.4145548985.

The spelling of 689435514 in words is "six hundred eighty-nine million, four hundred thirty-five thousand, five hundred fourteen".