689954000 has 160 divisors (see below), whose sum is σ = 1779957504. Its totient is φ = 258086400.

The previous prime is 689953991. The next prime is 689954003. The reversal of 689954000 is 459986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689954003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2437859 + ... + 2438141.

Almost surely, 2^689954000 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 689954000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889978752).

689954000 is an abundant number, since it is smaller than the sum of its proper divisors (1090003504).

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

689954000 is a wasteful number, since it uses less digits than its factorization.

689954000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 689954000 is about 26266.9754634979. The cubic root of 689954000 is about 883.6359550130.

The spelling of 689954000 in words is "six hundred eighty-nine million, nine hundred fifty-four thousand".