689849600 has 216 divisors, whose sum is σ = 1916127360. Its totient is φ = 243712000.

The previous prime is 689849543. The next prime is 689849617. The reversal of 689849600 is 6948986.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2886281 + ... + 2886519.

It is an arithmetic number, because the mean of its divisors is an integer number (8870960).

Almost surely, 2^689849600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689849600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958063680).

689849600 is an abundant number, since it is smaller than the sum of its proper divisors (1226277760).

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

689849600 is a wasteful number, since it uses less digits than its factorization.

689849600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 689849600 is about 26264.9881020342. The cubic root of 689849600 is about 883.5913838063.

The spelling of 689849600 in words is "six hundred eighty-nine million, eight hundred forty-nine thousand, six hundred".