206473000 has 64 divisors (see below), whose sum is σ = 508622400. Its totient is φ = 78235200.

The previous prime is 206472991. The next prime is 206473009. The reversal of 206473000 is 374602.

It is an interprime number because it is at equal distance from previous prime (206472991) and next prime (206473009).

It is not an unprimeable number, because it can be changed into a prime (206473009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13567 + ... + 24433.

It is an arithmetic number, because the mean of its divisors is an integer number (7947225).

Almost surely, 2^206473000 is an apocalyptic number.

206473000 is a gapful number since it is divisible by the number (20) 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 206473000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254311200).

206473000 is an abundant number, since it is smaller than the sum of its proper divisors (302149400).

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

206473000 is a wasteful number, since it uses less digits than its factorization.

206473000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10907 (or 10893 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 206473000 is about 14369.1683823386. The cubic root of 206473000 is about 591.0457370913.

The spelling of 206473000 in words is "two hundred six million, four hundred seventy-three thousand".