689450296 has 16 divisors (see below), whose sum is σ = 1301282640. Its totient is φ = 342441600.

The previous prime is 689450221. The next prime is 689450297. The reversal of 689450296 is 692054986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689450297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284161 + ... + 286576.

It is an arithmetic number, because the mean of its divisors is an integer number (81330165).

Almost surely, 2^689450296 is an apocalyptic number.

It is an amenable number.

689450296 is a deficient number, since it is larger than the sum of its proper divisors (611832344).

689450296 is a wasteful number, since it uses less digits than its factorization.

689450296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570894 (or 570890 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 689450296 is about 26257.3855514977. The cubic root of 689450296 is about 883.4208685374.

The spelling of 689450296 in words is "six hundred eighty-nine million, four hundred fifty thousand, two hundred ninety-six".