689933334 has 16 divisors (see below), whose sum is σ = 1424378880. Its totient is φ = 222559080.

The previous prime is 689933333. The next prime is 689933359. The reversal of 689933334 is 433339986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689933333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854474 + ... + 1854845.

It is an arithmetic number, because the mean of its divisors is an integer number (89023680).

Almost surely, 2^689933334 is an apocalyptic number.

689933334 is an abundant number, since it is smaller than the sum of its proper divisors (734445546).

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

689933334 is a wasteful number, since it uses less digits than its factorization.

689933334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709355.

The product of its digits is 1259712, while the sum is 48.

The square root of 689933334 is about 26266.5820768519. The cubic root of 689933334 is about 883.6271324911.

It can be divided in two parts, 68993 and 3334, that added together give a palindrome (72327).

The spelling of 689933334 in words is "six hundred eighty-nine million, nine hundred thirty-three thousand, three hundred thirty-four".