685083000 has 512 divisors, whose sum is σ = 2749593600. Its totient is φ = 138240000.

The previous prime is 685082999. The next prime is 685083001. The reversal of 685083000 is 380586.

It is an interprime number because it is at equal distance from previous prime (685082999) and next prime (685083001).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685083001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6782950 + ... + 6783050.

It is an arithmetic number, because the mean of its divisors is an integer number (5370300).

Almost surely, 2^685083000 is an apocalyptic number.

685083000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685083000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374796800).

685083000 is an abundant number, since it is smaller than the sum of its proper divisors (2064510600).

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

685083000 is a wasteful number, since it uses less digits than its factorization.

685083000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 685083000 is about 26174.0902420695. The cubic root of 685083000 is about 881.5515843199.

The spelling of 685083000 in words is "six hundred eighty-five million, eighty-three thousand".