689115474 has 48 divisors (see below), whose sum is σ = 1518128352. Its totient is φ = 225872064.

The previous prime is 689115467. The next prime is 689115481. The reversal of 689115474 is 474511986.

689115474 is a `hidden beast` number, since 68 + 9 + 115 + 474 = 666.

It is an interprime number because it is at equal distance from previous prime (689115467) and next prime (689115481).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613077 + ... + 614199.

It is an arithmetic number, because the mean of its divisors is an integer number (31627674).

Almost surely, 2^689115474 is an apocalyptic number.

689115474 is an abundant number, since it is smaller than the sum of its proper divisors (829012878).

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

689115474 is a wasteful number, since it uses less digits than its factorization.

689115474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1668 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 689115474 is about 26251.0090091791. The cubic root of 689115474 is about 883.2778383395.

The spelling of 689115474 in words is "six hundred eighty-nine million, one hundred fifteen thousand, four hundred seventy-four".