689316400 has 30 divisors (see below), whose sum is σ = 1656083612. Its totient is φ = 275726400.

The previous prime is 689316377. The next prime is 689316427. The reversal of 689316400 is 4613986.

It is a self number, because there is not a number n which added to its sum of digits gives 689316400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 861246 + ... + 862045.

Almost surely, 2^689316400 is an apocalyptic number.

It is an amenable number.

689316400 is an abundant number, since it is smaller than the sum of its proper divisors (966767212).

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

689316400 is a wasteful number, since it uses less digits than its factorization.

689316400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723309 (or 1723298 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 689316400 is about 26254.8357450585. The cubic root of 689316400 is about 883.3636760274.

The spelling of 689316400 in words is "six hundred eighty-nine million, three hundred sixteen thousand, four hundred".